Manufacturer | Mengshen |
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Part Number | MS-Z08 |
Product Dimensions | 4 x 2 x 9.5 cm; 72 g |
Batteries | 3 AAA batteries required. |
Item model number | 8542136604 |
Is discontinued by manufacturer | No |
Item Package Quantity | 1 |
Sound Level | 113 dB |
Batteries Included? | No |
Batteries Required? | No |
Battery Cell Type | Alkaline |
Item Weight | 72 g |

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Mengshen Bicycle Alarm, Wireless Anti-Theft Burglar Security Alarm for Bike Motorcycle Car Vehicles Door Window, 113db Super Loud and Waterproof (Remote Control Included)
Purchase options and add-ons
Brand | Mengshen |
Compatible devices | Bicycles, Bikes, Motorcycles |
Maximum range | 15 Meters |
Noise level | 113 dB |
Remote control included? | Yes |
About this item
- Mini Size: 65mm*45mm, Compact with creative design.
- Waterproof: PC material shell, IP55 waterproof, can use for outdoor.
- Super loud alarm: 113dB, 7 level adjustable sensitivity.
- Easy operation and installation: Wireless remote control operation, easy to use. Two install methods, paste with double-sided sticker or tie it with strap.
- More Remote Control Is Available: If you need more remote controls. Just search "B071KF9ZG9" on 鶹 to get some.
Videos for similar products
Brand in this category on 鶹
From the brand

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At Mengshen, our story begins with profound love for both home life and outdoors.
Founded on the principles of craftsmanship and innovation, Mengshen is dedicated to creating superior home furnishings, home alarm and bike anti-theft alarm that embrace comfort and style without compromising on safety.
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Door Stop Alarm
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Product information
Technical Details
Additional Information
ASIN | B077GW7QWY |
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Customer Reviews |
4.3 out of 5 stars |
鶹 Rank |
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Date First Available | Nov. 15 2017 |
Feedback
Product Description
Mengshen Anti-theft Bicycle/ Motorcycle/ Door Window Alarm - Z08

Thanks for coming, you deserve the best! This is Mengshen's Anti-theft Bicycle/ Motorcycle/ Door Window Alarm - Z08
113db Super Loud Burglar Alarm

Once triggered, 113 db super loud alarm will be a great deterrence, can effectively scare bicycle thieves away.
Main functions
- Arming and disarming
- Adjusting touch sensitivity
- Select bell sound.
- One-key find vehicle.
- SOS functions
- Battery low indicate
Remote control operation - simple & convenient

Arm key: Press it once, host alarm will go into "Arm mode", 5s later, alarm will ring "Bi". Alarm will be triggered and ring if a vibration or shake is detected.
Disarm key: Under "Arm mode", press this key, alarm will drop out "Arm mode" and return to "standby mode".
Even if the host alarm is triggered, the alarm sound will stop at once when you press this key.
Change key: Press this key to select ringtone, 6 voice are available.
Ringtone key: alarm will ring the selected ringtone if you press this key, so it's easy to find your bicycle.
Easy Installation
Installation accessories:
2 * Mounting Strips,
2 * Double-sided sticker
There are also installation holes and interface on the back of the alarm, so it is very easy to install the alarm on your bicycle or motorcycle.
Spare remote control
1) For extra remote control, you can search "Mengshen AR01" to order it,
2) The extra remote control need to pair with the host alarm before using
How to pair?
Long press the ringtone key of the previous remote control until hear sound "Bi", then press the arm or disarm key of the new remote control, the host alarm will ring "BI...Bi" to remind the pair is successful, you can use the new remote control now.
Wide Application
With strong durable PC housing, it is waterproof and dust-proof, very suitable for outdoor use.
It is widely used on bicyle/ e-bike/ motorcycles/ self baslancing scooter, door and winodow.
Power Supply:
Host battery: 3*AAA alkaline batteries (Included)
Remote control battery: 12V/27A alkaline battery (Included)
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Customer Reviews |
4.3 out of 5 stars 5,056
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4.2 out of 5 stars 2,005
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4.2 out of 5 stars 1,319
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4.4 out of 5 stars 148
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4.7 out of 5 stars 6
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4.7 out of 5 stars 4
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Part Number | MS-Z08 | MS-M64 | MS-M70 | MS-AK02 | MS-AK01 | MS-AK03 |
Sensor Type | Vibration, Movement | Door Open/Close Sensor | Door Open/Close Sensor | Motion Sensor | Door Open/Close Sensor | Motion Sensor, Door Open/Close Sensor |
Apply To | Bicycle/Motorcycle/car/scooter | Door/window | Door/window | Porch/Entrance/Garage | Door/Window | Door/Window/Porch/Entrance/Garage |
Remote Control | YES | YES | YES | YES | YES | YES |
Safety and product resources
Safety documents
Compare with similar items
This Item ![]() Mengshen Bicycle Alarm, Wireless Anti-Theft Burglar Security Alarm for Bike Motorcycle Car Vehicles Door Window, 113db Super Loud and Waterproof (Remote Control Included) | Recommendations | |||||
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Price | -5%$22.79$22.79 Was: $23.99 | $26.99$26.99 | $27.95$27.95 | $28.99$28.99 | $24.99$24.99 | $29.99$29.99 |
Delivery | Get it by Friday, Jul 18 | Get it by Friday, Jul 18 | Get it by Friday, Jul 18 | Get it by Monday, Jul 21 | Get it by Friday, Jul 18 | Get it by Friday, Jul 18 |
Customer ratings | ||||||
Sold by | Mengshen Direct | Electop | vBike | vBike | Wsdcam | Lancoon Direct |
noise level | 113 decibels | — | 113 decibels | 113 decibels | 113 decibels | 110 decibels |
maximum range | 15 meters | 66 feet | 20 meters | 230 feet | 100 meters | 25 meters |
remote included | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
Brands in this category on 鶹
Customer reviews
Customers say
Customers like the functionality, setup, and alarm sensitivity of the car alarm. They mention it works well on their boats, works great on the shed door, and is easy to install and use. Customers also like the remote control, appearance, and compact size. However, some customers disagree on the loudness.
AI Generated from the text of customer reviews
Customers are satisfied with the functionality of the product. They mention it works well on boats, shed doors, and as intended. Some also say the remote is of good quality. However, some customers have not yet used the product.
"Works well and is louder than I expected...sensitivity is good...very good product and reasonably priced." Read more
"Its an Ok device" Read more
"excellent product, and easy install and quickly arrived...." Read more
"Works good and easy set up, very load.." Read more
Customers like the setup of the car alarm. They mention it's easy to install and use.
"...Easy to install. If I can get a new remote battery, may try to fix the sensitivity." Read more
"...Alarm fairly easy to set up except the instructions are difficult to understand as they are Chinese translated to English...." Read more
"...Set-up looks a bit tricky at first but probably easier after first try...." Read more
"...Love how this alarm is extremely loud. Love how easy it was to use/set up. Love the size, I can secure it under my bike seat...." Read more
Customers like the alarm sensitivity of the product. They mention it can be used as a warning alarm when approaching pedestrians. Some say it's a good little vibration alarm that they're using with a gun case. They also say it is an excellent anti-theft bike alarm.
"It is a great alarm for bike or garage but not for car as when the car in parking lot or in the street you can barely hear it...." Read more
"...It is fairly loud and can also be used as a warning alarm when approaching pedestrians." Read more
"...Love the size, I can secure it under my bike seat. Love how sensitive the alarm is, just a little jostle and it blares...." Read more
"...out of bike racks and pushed over by other cyclist, this alarm has helped out alot." Read more
Customers like the sensitivity of the car alarm. They mention it's responsive to bike movement once activated. Customers also appreciate the options for changing the sensitiveness. However, some customers have different opinions on the sound quality.
"...This alarm is very sensitive. A slight movement will trigger the alarm sound. We tightened it under the kayak seat so no one can see it...." Read more
"This alarm works as intended and is very loud. It has options to change the sensitivity as well as the alarm sounds...." Read more
"...Very loud alarm and responsive to bike movement once activated...." Read more
"...The motion sensor is very sensitive and will give you a warning when you lightly move the bike...." Read more
Customers like the remote control of the car alarm. They mention it's fine, has a good range, and works over 30 metres away. Some also say it's very sensitive and tells them when the alarm is armed when they click it.
"...The remote works just like a car alarm, it tells you when it’s armed when you click it. I also secured one to my garage door, on a string...." Read more
"...Remote control also has long range" Read more
"...The remote is nice and compact and can be attached to a key chain without fuss...." Read more
"The product is quite loud and has good remote control range. Its very sensitive which I like...." Read more
Customers like the appearance of the car alarm. They mention it's well-designed and manufactured.
"Remote control looks great and is very functional. You can use different types of sounds as a bike bell to alert people.Easy install...." Read more
"Ok so the hardware looks good, remote is fine, it s noisy as hell when it detects vibrations, so far so good..." Read more
"Love the quality of the remote. It looks good like the picture." Read more
"Loud device, remote looks good and works well." Read more
Customers like the compact size of the car alarm. They mention it's small and fits nicely under the bike seat.
"...The remote is nice and compact and can be attached to a key chain without fuss...." Read more
"...Love how easy it was to use/set up. Love the size, I can secure it under my bike seat...." Read more
"...Pro Easy to install Compact size Battery powered Remote control Warning growl attracts attention..." Read more
"...very sensitive, but not as loud as i expected, but then again its a small device. Good secondary backup if you are close...." Read more
Reviews with images

Less than secure installation.
Top reviews from Canada
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- Reviewed in Canada on June 20, 2024Verified PurchaseThis alarm works as intended and is very loud. It has options to change the sensitivity as well as the alarm sounds.
Totally worth the price to give your bike extra protection.
- Reviewed in Canada on October 11, 2020Verified PurchaseI mounted the alarm on my box type rear pannier using zip ties threaded through the fabric. The pannier is black (not grey as the photo shows) so the alarm is well hidden behind the seat. No need to use the double back tape supplied. Also the alarm can easily be removed if needed by cutting the ties from within the pannier.
Alarm fairly easy to set up except the instructions are difficult to understand as they are Chinese translated to English. It is necessary to read them over many times to get the meaning.
The alarm comes with a plastic tab that has to be removed so the batteries will function. A Phillips (star) screw driver is supplied to remove a small screw in order to access the batteries. A regular (spade) screw driver is needed to pry the two sections of the alarm apart to get at the batteries. This screw driver is not provide although a small plastic waffer is included for this purpose, but there is no way it will work as the two pieces fit very tightly together.
All in all I like this alarm. It is fairly loud and can also be used as a warning alarm when approaching pedestrians.
4.0 out of 5 starsI mounted the alarm on my box type rear pannier using zip ties threaded through the fabric. The pannier is black (not grey as the photo shows) so the alarm is well hidden behind the seat. No need to use the double back tape supplied. Also the alarm can easily be removed if needed by cutting the ties from within the pannier.Use heavier zip ties than the ones supplied
Reviewed in Canada on October 11, 2020
Alarm fairly easy to set up except the instructions are difficult to understand as they are Chinese translated to English. It is necessary to read them over many times to get the meaning.
The alarm comes with a plastic tab that has to be removed so the batteries will function. A Phillips (star) screw driver is supplied to remove a small screw in order to access the batteries. A regular (spade) screw driver is needed to pry the two sections of the alarm apart to get at the batteries. This screw driver is not provide although a small plastic waffer is included for this purpose, but there is no way it will work as the two pieces fit very tightly together.
All in all I like this alarm. It is fairly loud and can also be used as a warning alarm when approaching pedestrians.
Images in this review
- Reviewed in Canada on June 15, 2020Verified PurchaseI love the low price. Love how this alarm is extremely loud. Love how easy it was to use/set up. Love the size, I can secure it under my bike seat. Love how sensitive the alarm is, just a little jostle and it blares.
After looking at numerous devices to secure my bikes at home and on the road, this one is the best. Of course I will still lock my bikes. The moment someone touches my bike, this alarm goes off! Not enough time to cut my lock without drawing lots of attention.
The remote works just like a car alarm, it tells you when it’s armed when you click it.
I also secured one to my garage door, on a string. If the door starts to open, it will move the alarm and go off. Brilliant!
I have ordered two more, so four in total. Love these!
- Reviewed in Canada on August 8, 2020Verified PurchaseWorks great. Very loud. It has a nice loud warning blast, and then waits 12 seconds for another movement and if it the thief touches the bike again, it goes into full siren mode. It’s very loud, but when I hid it in a pouch, I found it was way too quiet. So it must be mounted out in the open
- Reviewed in Canada on November 15, 2020Verified PurchaseInstalled this about 3 months ago but rarely used the alarm. A few days ago, I was about to go on a ride, tested the battery of the alarm and the remote by turning it on, and it worked. Tried to turn it off, and the remote wouldn't work. The remote light indicator was fading and I had only used this thing maybe three times at most. The guide says "The remote control uses 1 pc 12V/27A alkaline battery, normal usage more than 1 year (Assume: 5 times usage/day)" - so was I given a used battery?
Side note: It's a very loud alarm so had to put my earphones on when testing it at home before installing. Easy to install. If I can get a new remote battery, may try to fix the sensitivity.
- Reviewed in Canada on April 17, 2023Verified PurchaseProduct works. It is very loud and provides me with a further sense of security!
Remote control also has long range
- Reviewed in Canada on October 20, 2020Verified PurchaseNot as sensitive as I would like. I can open doors without setting it off. It is quiet when the doors are closed but quite loud once opened.
- Reviewed in Canada on December 15, 2020Verified PurchaseAs an additional layer of protection against the theft of your bike or other portable property, these are very good value. The remote is nice and compact and can be attached to a key chain without fuss. The alarm unit is also small and in our case, fits nicely under the bike seat with the use of the provided two sided tape. To add a little more secure placement, we used the long plastic ties that were also supplied.
Very loud alarm and responsive to bike movement once activated. Nothing is 100pct but the more deterrents you have the better the chance of beating the bad guys from taking your toys. This is a very Good Buy.
Top reviews from other countries
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Bit SandroReviewed in Italy on June 20, 2025
5.0 out of 5 stars sistema antifurto moto
Verified Purchaseacquistato come antifurto per le borse moto, facile da usare, suonerie potenti e programmabili, nella confezione sono compresi un cacciavite per il cambio batterie 2 biadesivi per il fissaggio e delle fascette e anche un facsimile di un plettro sempre per aprire la scocca per la sostituzione delle batterie
- Adam JacobReviewed in Australia on January 14, 2024
5.0 out of 5 stars It works and it's loud
Verified PurchaseUPDATE: So after 4 months use, the original batteries are still in the unit. Buying another as a gift.
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After my car got broken into, I decided to get a car alarm installed but I needed to do some research first. In the meantime, this device would give me some coverage. It's relatively small in size easy to set up and hide anywhere inside your vehicle. For me, the sensitivity is just about right. Once activated, hard closing of the car door will set it off. It's not perfect but for the money, it's very good value for security.
It takes 3 AAA batteries and as I've only had the unit for a week, I can't comment on battery life. I'll update this later once the batteries need replacing.
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michael wojcinskiReviewed in Germany on June 26, 2025
5.0 out of 5 stars Sehr gutes Alarmgerät.
Verified PurchaseEs ist einfach unterzubringen . Beschreibung nicht auf Deutsch aber es ist kein Problem. Sehr laut und abschreckend. Habe es an meinem Motorrad montiert. Perfekt.
Kaufempfehlung
- AKSHAY BONEYReviewed in Saudi Arabia on February 12, 2023
4.0 out of 5 stars Good product
Verified PurchaseI am using this product for my car since last two weeks. I tied this product inside the car bonnet (Near to wiper but not accessable from outside). The sensity level of the product is really nice. It can even detect the engine turn On/Off. But i am little bit disappointed with the bulit quality of the remote (Feels like toys remote). If company can provide the remote with a rubber pouch it will be much better. Overall i liked this product on this price tag.
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GilyReviewed in Spain on July 7, 2025
5.0 out of 5 stars Ruido muy fuerte y disuasorio.. Estupenda.
Verified PurchaseEs muy buena esta alarma… suena fuertísimo si alguien arrastra tu moto .. da un aviso y si continua moviéndose,,, comienza a sonar mucho. Ideal.