AQara 4Pcs Water Leak Sensor Smart Wireless Flood Water Immersing Leakage Leak Detector Alarm Sensor Waterproof App Remote Control Smart Home Security Description: Aqara Water Leak Sensor can detect in water and remote alarm through APP timely, powered by button battery, able e for up to two years. IP67 waterproof level, perfect for washroom, bedroom, warehouse, machine room, etc. Please note it,this item comes from Ecochain Cooperation, specialized in best products with the best quality, so there is no logo on it, thanks. Much More Hottest Ecochain Products on . Features: * Water Detection: When detected water level reaches 0.5mm, the linked gateway alarms through APP.   * IP67 Waterproof: The water leak sensor meets IP67 water proof and dust proof rating. * The shell is made of UV resistant material and the appearance is fadeless for long term using. * Low power consumption. With a button battery, it can last for 2 years under normal circumstance. * No need complex installation, place on Washroom, Bedroom, Warehouse, Machine Room. Specifications: Brand: Aqara Product: Water Leak Sensor Model: SJCGQ11LM Color: White Wireless Protocol: Zigbee Battery: CR2032 Operating Temperature: -10°～ +5℃ Operating Humidity: 0 ~ 100% RH Product Weigh: Approx. 200g/7.05oz Product Size:  Approx. 5.0*5.0*1.5cm/1.97*1.97*0.59in Package Weigh: Approx. 400g/14.11oz Package Size:  Approx. 17*12*3cm/6.69*4.72*1.18in Note: 1.Item color may show slight aberration due to different shooting light and monitor display. 2.The battery using time is different due to the different using situation. Package list: 4* Aqara Water Leak Sensor （Other smart devices on the picture are not included）