Dragino Technology LWL04 LoRaWAN Water Leak Sensor

The Dragino LWL04 is a LoRaWAN Water Leak Sensor. When there is water between the bottom 3 metal posts, the LWL04 indicates a water leak event and uplink to IoT server via LoRaWAN network.The Dragino LWL04 does not need to be fixed, only placed on the ground. The bottom three metal columns can adjust the height. Only when there is water between the three metal columns, it will cause a short circuit alarm.LWL04 can be activated from the bottom of the housing with a magnet, and the light will indicate when the magnet is close. Its main unit has a sealing ring, which can achieve IP65 waterproof.LWL04 is powered by CR123A non-rechargeable battery and target for long time use, these batteries can provide about 16,000 ~ 70,000 uplink packets, which result in 2 ~ 10 years battery life. After battery running out, user can easily open the enclosure and replace with CR123A batteries.The LWL04 will send periodically data every day as well as for each water leak event. It also counts the water leak times and calculate last water leak duration. User can also disable the uplink for each water leak event, instead, device can count each event and uplink periodically.Each LWL04 is pre-load with a set of unique keys for LoRaWAN registration, register these keys to LoRaWAN server and it will auto connect after power on.

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