Govee Water Leak Detectors 5 Pack, 100dB Adjustable Audio Alarm Sensor, Sensitive Leak and Drip Alert, for Kitchen Bathroom Basement (Battery Included) Dripping and Leaking Alarm: Besides 2 groups of backwater detector sensor probes, each detector also has 1 group of front probes for pipe dripping.(Note: Only paired with the gateway of the water detector, cannot paired with the gateway of the hygrometer.) Wireless and Easy to Use: No wire or setup required, the mini size allows you to put it on any place where the water leak may be happening. With kit "B07QP153GT", you are able to monitor leaks on your phone even you're not at home."B07QP153GT" not Included in Package. Adjustable Alarm Audio: Each water leak detector features an 0-100 dB adjustable alarm audio. Loud enough to be heard even if leak happens in basement, press the button to mute the sound when you find the leaking place. Low Battery Alert: The water sensor alarm will beep and flash a red light when a battery is low, or press the button on it to test the battery level. IP66 Waterproof: The completely sealed waterproof design allows for extended use in high moisture areas.