Reliable performance The water detector will sound a 60dB alarm when the water sensor detects a water leak or a preset limit, an alarm will sound after 60 seconds, and an alarm message will be sent on the smartphone in 2 to 10 seconds (depending on network speed) . To prevent possible water damage the sound and light alarm can trigger a loud 60dB alarm and a red flashing alarm on site even without WiFi, enough to hear even if the basement leaks.EASY TO INSTALL Simply attach your Wi-Fi water leak detector to any desired location using peeling glue or the screws provided. No messy wires, extra appliances or hubs Widespread Use Ideal for Home, Warehouse, Basement, Continuous Sink Monitoring, Dishwashers, Appliances, Refrigerator, Washing Machine, Pump Sewer, Water Heater, Jacuzzi, Plumbing and Filtration Equipment. Installation and use of swimming pools, bathtubs, aquariums and water level sensors: no gateway, no complicated wiring, just a few simple steps to connect to home WiFi (only for 2.4GHz). Whether you're in the office or on the go, the Doodle/Smart Life app lets you check your status at any time. You can also share with others and more people can receive notifications and track wireless sensor activitySpecificationsBattery: AAA battery (not included)Operating temperature: -10-55Operating Humidity: 10% to 90% RH (non-condensing)Size: 70*25*20mmLine length: 1MPackaging: 1 Piece