Product Requirements: The smartphone or tablet able to run iOS 9 or higher; Android 5.0 or higher.Specifications: YoLink Hub Input: 5V DC Maximum Current: 1A Working Temperature: -20C~50C (-4F~104F)Humidity: 0~90% non-condensingYoLink Water Leak Sensor 4 Product Model: YS7906 Voltage: 3V DC (2* AAA battery) Working Temperature: 0C~50C (32F~122F)Working Humidity: =100%RH (non-condensing)Package Content:3 x YoLink Smart Water Leak Sensor 4








