NEO NAS-WS02W WiFi Smart Water Leak Sensor Wireless Flood Sensor Works for Tuya Smart IFTTT ?Help to detect any type of liquid leakage and protects your home against possible water damage ?2.4Ghz wireless frequency for stable connection and signal transmission ?Enjoy up to 24 months of lifespan,durable for use ?With its small dimensions,it can fit anywhere conveniently ?Improve the security of your home with this sensor. Prevent water overflow on swimming pool or basement with real-time alerts to notify you of any water situation ?Compatible for iOS and Android systems ?Specification: ?Battery: 1*CR2 battery,850mAh ?Standby current: 13uA ?Wireless Type: 2.4GHz ?Protocol: IEEE 802.11b/g/n ?Wifi distance: 45m ?Operating Temperature: 0????60?? (32??F??104??F) ?Free APP: Tuyasmart or Smart Life ?Support systems: Android and for iOS ?Product size: 69x69x34mm Package included: ?1 x Water Leak Sensor ?1 x English User Manual ?1 x Base Bracket Mount ?Other things not included