Feature: 1. Applicable life scenarios: Place the Leak Alarm in any potential flood spot - next to bathrooms, basements, kitchens, boats, garages or etc. 2. When you buy and install this leak-proof : when the alarm detects overflow, it reacts quickly, the alarm flashes and the phone receives an APP push reminder to let you know in time and take corresponding measures. 3. Long standby time, more worry-free: low power consumption, standby for up to 1 year, no need to replace the battery frequently, when the battery is low, the APP push notification, please replace the battery in time. Specification: Model: Water Leak Detector Sensor APP: Tuya Smart/Smart Life Battery: 2xAAA Battery(Not included) Wifi: 2.4GHz Wi-Fi Rated voltage: DC3 (V) Rated current: 10 (mA) Material: Plastic colour: As shown Package Contents: 2 x wifi water sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.