WiFi Water sensor adjustable alarms and application alarms Leak and drip alarms Overflow sensor alarm system . The sensor uses 2.4G Wifi to communicate with the server for data. Wall mounted for easier and more convenient installation. If the water sensor detects a leak, the detector's alarm will sound and alert you to the situation, preventing potential water damage. When the detector is submerged in water, alarm notifications are promptly pushed to your mobile phone, reducing the risk of flooding. Whether you are in the office or on the road, you can always check the status via the app. Widely used in bathroom sinks, basements, sinks, water heaters, aquariums, dishwashers, refrigerators, fish tanks, plumbing, toilets, behind toilets, water filtration units, waste disposal and sump pumps. Specification. Material: ABS plastic Colour: white Size: 71/64/23mm Probe: Water sensor Mounting: Wall mounted Operating temperature -10 to +40 degrees Celsius Storage temperature -20 to +60 Celsius Relative humidity 8 % to 80% Power supply: 2 x AAA batteries (not included) Package includes: 1 x water alarm sensor Caution. Please allow for slight dimensional differences due to manual measurements.