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ECOWITT WH57 Wireless Lightning Detection Sensor with Email Alert

3.9 out of 5 stars 165 ratings

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Brand ECOWITT
Item dimensions L x W x H 13 x 8 x 20 Centimetres
Item weight 0.07 Kilograms
Style WH57
Measuring range 25 miles
Mounting type Mounting Arm
Output type [DIGITAL]
Response time 79 seconds
Sensing distance 25 Miles
Specific uses for product Outdoor weather monitoring, remote monitoring, environmental monitoring

About this item

  • 【Lightning Detection Sensor】: Detects lightning bolts and storms within 25 miles (40 kilometers) the data can be viewed on our free WS View Plus or Ecowitt App after the WiFi configuration(requires a GW1100 gateway(sold separately) (Accessory Only, Can Not Be Used Alone)
  • 【Live Data on APP】: Requires a GW1100 WIFI gateway(sold separately) to connect to WiFi, after the WIFI configuration, you can monitor number of strikes daily, and the time & distance of the last strike detected within a 25-mile radius of your location on the Live Data page of the WS View Plus or Ecowitt app (requires the gateway and your phone is using the same Wi-Fi network).
  • 【Graph & History Records on Ecowitt Weather Server】: Supported to upload to our free Ecowitt Weather server(ecowitt.net) to view the lightning strikes graph and download the history records on the website; it's recommended to add a shortcut of the website on the home screen of your phone for quick access
  • 【Email Alerts】:Receive Email Alerts from the Ecowitt Weather Server; Remote monitoring with smart phone, laptop, or computer by visiting the websit.
  • Battery power level display on the WS View Plus App & battery alert function on the Ecowitt Weather Server.
  • 【What You Get】:Includes 1X Solar Radiation shield + 1X Mounting arm
  • 【RF Frequency】: 915 MHz. ( Please Note : all products sold on amazon.com/amazon.ca are 915 MHz; products sold on amazon.au are 433 MHz; products sold on UK or EU are 868 MHz.)

Product details

  • Batteries ‏ : ‎ 2 AA batteries required.
  • Product Dimensions ‏ : ‎ 13 x 8 x 20 cm; 70 g
  • Date First Available ‏ : ‎ Nov. 8 2021
  • Manufacturer ‏ : ‎ ECOWITT
  • ASIN ‏ : ‎ B09B3QVJ82
  • Item model number ‏ : ‎ WH57
  • Customer Reviews:
    3.9 out of 5 stars 165 ratings

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This item: ECOWITT WH57 Wireless Lightning Detection Sensor with Email Alert
$57.74
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Product description

Ecowitt WH57 Wireless Lightning Detection Sensor with Solar Radiation Shield, 915 MHz


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Customer reviews

3.9 out of 5 stars
165 global ratings

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Top reviews from Canada

  • Reviewed in Canada on May 31, 2025
    Verified Purchase
  • Reviewed in Canada on October 28, 2023
    Verified Purchase
    Cette appareil via le site Ecowitt permet de recevoire des alertes de niveau de batterie à 80%, 60%, 40% et 20%, et branché en parallèle avec la station météo (qui elle donne seulement une alerte de low batterie) permet d'avoir un niveau de batterie plus précis pour l'ensemble de la station.
    Report
  • Reviewed in Canada on August 27, 2024
    Verified Purchase
    I really wanted this detector to work properly and had high hopes. After several months and 3 location's on our city property it's averaging 25 to 30 false lighting strikes daily. We have tried changing the sensitivity with no results that are realistic. I even took a portable AM radio and listened for noise/interference in the lower portion of the band but it proved to not be any help.
    Maybe in rural property areas much better results ?
    The Ecowitt HP2553 system its connected to, Is absolutely fantastic though.
  • Reviewed in Canada on January 29, 2024
    Verified Purchase
    Put the batteries in it, mount it and that it - installed -- well designed unit with good instructions.
  • Reviewed in Canada on May 3, 2025
    Verified Purchase
    I have found most ecowitt products decent quality and perform well. However, I am disappointed in this particular sensor. There are 4 sensitivity levels. As others report, you either get many, many false triggers, or failure to record legitimate events. Mine is mounted outside, high on a pole in a rural area.
    I would pass on this.
  • Reviewed in Canada on May 27, 2024
    Verified Purchase
    I mounted this on the same metal post as my weather station, it was getting false readings every time the station sent in update. Moved it away and it’s better but I’m still getting several false readings, after reading other reviews it turns out it can’t be mounted on anything metal and has to be away from power lines and AC units. Seemed to pick up the one lightning strike we had a few weeks ago but still getting a few false signals.
    2 people found this helpful
    Report
  • Reviewed in Canada on November 26, 2023
    Verified Purchase
    The device counts 79 lightning strikes every day, regardless of the weather. Wish I could return it but I tried to get it to work for too long and now return window is closed.
    2 people found this helpful
    Report
  • Reviewed in Canada on May 19, 2022
    It shows that I constantly have lightening in my area 24/7 no matter the sensitivity setting. It is located high up a pole about 5 feet below the weather station itself. It is not around any electrical interference... that I'm aware of anyway. Just can't figure out why my experience with this sensor is not the same as all the positive reviews. Also does not come with the solar shield shown in the picture (I purchased one separately).
    2 people found this helpful
    Report

Top reviews from other countries

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  • Cèsar Martín Barbero
    5.0 out of 5 stars Pintoresco
    Reviewed in Spain on April 8, 2023
    Verified Purchase
    Detecta perfectamente las descargas eléctricas de la atmósfera.
    Empezar por configurar el sensor al máximo y si este da falsos positivos ir bajando la sensibilidad hasta que no de lectura de falsos positivos.
    Alejar de piezas metalicas 20cm usar un cable conectado a tierra si el mástil es metálico y usar siempre el brazo y la jaula para instalarlo en el exterior.
    Después de casi dos años FUNCIONA A LA PERFECCIÓN, muy contento 😀
    Customer image
    Cèsar Martín Barbero
    5.0 out of 5 stars
    Pintoresco

    Reviewed in Spain on April 8, 2023
    Detecta perfectamente las descargas eléctricas de la atmósfera.
    Empezar por configurar el sensor al máximo y si este da falsos positivos ir bajando la sensibilidad hasta que no de lectura de falsos positivos.
    Alejar de piezas metalicas 20cm usar un cable conectado a tierra si el mástil es metálico y usar siempre el brazo y la jaula para instalarlo en el exterior.
    Después de casi dos años FUNCIONA A LA PERFECCIÓN, muy contento 😀
    Images in this review
    Customer image
    Report
  • Jim
    5.0 out of 5 stars Tested. It works.
    Reviewed in the United Kingdom on May 13, 2025
    Verified Purchase
    I must say, I’m surprised at just how well this lightning sensor works. I was lucky enough to have a major thunderstorm forecast in my area within 24 hours of setting it up, so I was able to see it working! See the photos of the display console and the graph from the app.

    I installed the lightning sensor with Energiser lithium batteries and the switches in default setting. Installation was easy. I already had an Ecowitt HP2564 weather station and display console (which discovered the new sensor immediately), so I attached the lightning sensor to the plastic mounting pole (see attached photo).

    During a thunderstorm the following day, I saw a lightning flash, followed some seconds later by thunder. About a minute later, the weather station recorded the strike at about 5 miles distant, which seemed right by my calculations. The most distant strike recorded was at 27 miles.

    I am very pleased with my purchase. It performs as well as I had hoped.
    Customer image
    Jim
    5.0 out of 5 stars
    Tested. It works.

    Reviewed in the United Kingdom on May 13, 2025
    I must say, I’m surprised at just how well this lightning sensor works. I was lucky enough to have a major thunderstorm forecast in my area within 24 hours of setting it up, so I was able to see it working! See the photos of the display console and the graph from the app.

    I installed the lightning sensor with Energiser lithium batteries and the switches in default setting. Installation was easy. I already had an Ecowitt HP2564 weather station and display console (which discovered the new sensor immediately), so I attached the lightning sensor to the plastic mounting pole (see attached photo).

    During a thunderstorm the following day, I saw a lightning flash, followed some seconds later by thunder. About a minute later, the weather station recorded the strike at about 5 miles distant, which seemed right by my calculations. The most distant strike recorded was at 27 miles.

    I am very pleased with my purchase. It performs as well as I had hoped.
    Images in this review
    Customer imageCustomer imageCustomer image
  • mark adams
    5.0 out of 5 stars Excellent
    Reviewed in Germany on March 31, 2025
    Verified Purchase
    Received with thanks
  • William J. Roberts
    5.0 out of 5 stars Very satisfied
    Reviewed in the United States on April 5, 2025
    Verified Purchase
    Seems to work better than the lightning detector built into the Tempest weather station.
  • Jean Jacques
    5.0 out of 5 stars Simple à installer !
    Reviewed in France on January 27, 2023
    Verified Purchase
    Le détecteur de foudre est reconnu automatiquement par la passerelle sans programmation, pour le moment il n'y pas eu d'orage pour le tester !