This Z-Wave water sensor sports excellent accuracy on detecting an unexpected presence of water at the water heater or under kitchen sink ranging from small leaks to massive floods, as well as the absence of water of a fish tank, making it a versatile accessory for many applications. It is powered by a rechargeable battery or USB cable, guaranteeing stable operation with a one-year battery life and low-battery alert.

• Detects the presence and absence of water.
• Sport excellent accuracy with as little as 0.03% tolerance for an inch of water.
• Remind to change the battery with a low-battery alert.
• Enable OTA firmware upgrade.
• Meet CE, FCC, and Z-Wave standards.
• One-year battery life.
• Wireless coverage: >30m (indoor).
• Z-Wave frequency: 868.42MHz/908.42MHz/921.42MHz.
• Powered by a rechargeable battery or USB cable.