| Manufacturer | eufy |
|---|---|
| Place of Business | Bellevue, WA 98004, US |
| Part Number | T8990121 |
| Product Dimensions | 0.1 x 0.1 x 0.1 cm; 470 g |
| Batteries | 2 Lithium Ion batteries required. (included) |
| Item model number | T8990121 |
| Colour | White |
| Power Source | Battery Powered |
| Installation Method | Self-Adhesive |
| Item Package Quantity | 1 |
| Mounting Type | Wall Mount |
| Included Components | HomeBase, keypad, motion sensor, 2 × entry sensors, owner's manual, and Happy Card. |
| Batteries Included? | Yes |
| Batteries Required? | No |
| Battery Cell Type | Lithium Metal |
| Average Battery Life | 2 years |
| Warranty Description | 12 month warranty |
| Item Weight | 470 g |
eufy Security 5-Piece Home Alarm Kit, Home Security System, Keypad, Motion Sensor, 2 Entry Sensors, Home Alarm System, Control from The App, Links with eufyCam
Purchase options and add-ons
| Brand | eufy Security |
| Colour | White |
| Power source | Battery Powered |
| Compatible devices | Smartphone |
| Item dimensions L x W x H | 1 x 1 x 1 millimeters |
| Video capture resolution | 1080p or higher |
| Connectivity technology | Wireless |
| Installation type | Self-Adhesive |
| Alert type | Motion Only, Input Only |
| Control method | App |
About this item
- <b>Easy Setup: </b>Install in minutes all by yourself. The entry sensors attach to doors and windows, while the motion sensor and keypad can be secured to walls via the included mounts.
- <b>No Monthly Fees: </b>Designed to protect your home as well as your wallet, eufy Security products are one-time purchases that combine security with convenience.
- <b>Instant Alerts: </b>Get notified as soon as motion or a breach is detected with the eufy Security app.
- <b>Security in Seconds: </b>Arm and disarm in seconds by keying in your password or directly from your phone via the eufy Security App.
- <b>What’s In The Box: </b>HomeBase, keypad, motion sensor, 2 × entry sensors, owner's manual, and Happy Card.
Frequently bought together

Explore more from across the store
eufy Security SmartTrack Link (Black, 1-Pack), Android not Supported, Works with Apple Find My (iOS only), Key Finder, Bluetooth Tracker for Earbuds and Luggage, Phone Finder, Water Resistant10% offLimited-time dealFREE Shipping by 鶹Get it by Friday, Mar 20
eufy SoloCam S340 2-Cam Kit (HomeBase S380), Solar Security Camera, Wireless Outdoor Camera, 360° Pan and Tilt Surveillance, No Blind Spots, 2.4 GHz Wi-Fi, No Monthly Fee, HomeBase S380 Compatible29% offLimited-time dealFREE Shipping by 鶹Get it by Friday, Mar 20
eufy FamiLock E34, Smart Lock with Palm Vein Recognition, Keyless Entry Door Lock for Front Door, 3-in-1 Wi-Fi Keypad Deadbolt, ANSI/BHMA Grade 1, Auto Lock, No Monthly Fee18% offLimited-time dealFREE Shipping by 鶹Get it by Friday, Mar 20
eufy Security Indoor Cam C210, 1080P Resolution Security Camera with 360° PTZ, Plug-in Security Indoor Camera with Wi-Fi, Human/Motion AI, Ideal for Home Security19% offLimited-time dealFREE Shipping by 鶹Get it by Tuesday, Mar 24
Product Description
Clear and Loud—Hear the Alarm Everywhere
The adjustable volume can reach 105 dB, ensuring alarms can be heard any time whether indoors or outdoors.
Suitable for Indoor and Outdoor Use
IP65 Weather resistant for use both indoors and outdoors
Instant Alerts* When an Alarm is Heard
Through Sub-1G connectivity, HomeBase can be reached all throughout your home, allowing alerts to reach you on your phone in real time.
Connects with HomeBase S380 and S280
HomeBase makes sure you get instant notices* about your home via the app.
No Monthly Fee
Home Monitoring Service with No Monthly Fee
-
Is HomeBase necessary to receive notifications?
Yes. The siren uses efficient Sub-1G communication with HomeBase to maximize battery life. HomeBase relays the sensor's message to you via the internet. Now compatible with both HomeBase S380 and S280.
-
Is the volume of the siren adjustable?
Yes, the siren features two volume levels.
-
What is the maximum operating distance from the siren to HomeBase?
The maximum operating distance is 200 meters.
-
What's included in the box?
The box contains 1 Quick Start Guide (QSG), 1 Siren, 2 CR123 Batteries, and 1 Screw Pack.
-
Does Siren have adjustable volume?
Siren features two volume levels to cater to different environmental needs. However, it is limited to a single alarm tone, ensuring a uniform and recognizable alert.
Product information
Technical Details
Additional Information
| ASIN | B083KC44TG |
|---|---|
| Customer Reviews |
4.2 out of 5 stars |
| 鶹 Rank |
|
| Date First Available | Jan. 7 2020 |





