Ecowitt WH55 Wireless Water Leak Detection Sensor with Loud Audio Alarm, Accessories Only, Cannot Be Used Alone, Needs to be paired with a Gateway or Display Console Features Detects water seepage every 3 seconds. Emits loud alarm with 90dB once triggered. High or low sensor sensitivity selectable to meet different requirements. Works with Wi-Fi gateway (sold separately) to complete the Wi-Fi configurationon WS View Plus/ Ecowitt APP application. View live sensor data on the app once Wi-Fi configuration done. Email alerts available once the gateway device added successfully on our free Ecowitt Weather Server: https://www.ecowitt.net. Each Wi-Fi gateway supports to add up to 4 channels water leak sensors. Channel names can be edited both on the app and Ecowitt Weather Server. Battery power level display on the WS View Plus/ Ecowitt APP.(T wo 1.5V AAA batteries not included) Specifications Power 2x1.5V AAA batteries(not included) Frequency North America:915MHz; Europe: 868MHz; Other areas: 433MHz Sensor Size 95x45x22.8mm Wireless transmitting range 100M(300feet) Alarm Decibel 90dB Sensor detecting interval 3 seconds Sensor reporting interval 60 seconds Waterproof level IP44 Working temperature 0~50°C(32~122°F) Note Once water seepage is detected, the device will emit 90dB alarm, and the ecowitt.net will push email alerts at the same time. Package List 1 x Multi-channel Water Leak Sensor 1 x User Manual

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