Feature:1. [Reliable Water Detection] This wireless water leak sensor is designed to detect water leaks, providing early warning to prevent damage.2. [IP66 Waterproof] With an IP66 waterproof and dustproof rating, this water leak detector is capable of withstanding various harsh environments.3. [High Safety] The wireless water sensor effectively preserves electrical appliances and prevents any dangerous situations such as water leak electric shocks.4. [Compact and Versatile] The compact size allows for flexible placement in various living scenarios, making it suitable for kitchen, bathroom, balcony and more.5. [Sturdy Shell] The sensor shell is made of PC and ABS, providing a sturdy and long lasting solution for water leak detection needs.Specification:Item Type: Wireless Water Leak SensorMaterial: PC, ABSWireless: For ZigbeeWorking Voltage: DC3VBattery: CR2032 button battery 240mAh x 1 (built in)Transmission Frequency: 2.4GHzWorking Temperature: 0 to +55Low Battery Indicator: SupportBattery Life: More than one year (20 times per day)Detection Method: Water sensor probeWaterproof Grade: IP66.Package List:1 x Wireless Water Leak Sensor1 x User Manual