Mobile APP control, connected to via wifi, remote control at any time, you will receive a notification if there is a leak. IP67 waterproof water leakage detector probe. Wall-mounted, easy to use. Removable battery, easy for installation, low power consumption, energy-saving. You can share the device with your family. Specification: Type: Water Leakage Detector Battery: 2 * AAA battery (not included) Input voltage: DC3V LR03 Static current: 10yuA Alarm current: 160mA Low-voltage indication: 2.6V WIFI: 802.11 b/g Detection: Water-sensor detector Installation : Wall-mounted Working temperature: -10-50 Celsius Working humidity: 95%RH Colour:White Material:ABS Size:70*25*20mm Package Contents: 1 * Water Leakage Detector Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.