Reliable Performance: When the water sensor detects water leakage or a preset limit, the water detector will emit 60dB alarm sound and the alarm will sound within 60 seconds and the message d alarm is sent within 2 to 10 seconds Send to smartphone (depending on network speed). To avoid possible water damage Sound and light alarm: Even if there is no Wi-Fi, the scene can trigger a 60dB alarm and a red flashing alarm on place, even if there is a leak in the cellar, sufficient sound is heard Easy to install: Just use the adhesive or the screws provided to fix your leak detector to Wi-Fi water safely at the desired location. No messy wires, extra gear or hub required Widely Used: Perfect for homes, warehouses, basements, continuous monitoring of sinks, dishwashers, appliances, refrigerators, washing machines, sewage pumps, water heaters, jacuzzi, water pipes and filtering devices. Swimming pool, bathtub, aquarium and sensors warn of water level Installation and use: No gateway and no complicated wiring needed, only a few simple steps to connect to home WiFi (only for the 2.4G Wi-Fi). Whether you're in the office or on the go, the Life app lets you check the status anytime. You can also share it with others, and more people can receive notifications and track wireless sensor activity