Water Leak Sensor 4 3-Pack

The Water Leak Sensor 4 is a puck type water leak sensor, similar to our popular Water Leak Sensor 1. The Water Leak Sensor 4 adds an 105dB piezo sounder, and low-temperature sensing (to alert you to conditions that can lead to frozen pipes).  It's our first water sensor that can warn you of cold temperatures before pipes can freeze. You can even have the water shut off automatically. It's the only water sensor with LoRa-based extreme long range wireless, 5+ years between battery changes, a waterproof IP66-rated housing, a built-in audible alarm, and, with anti-freeze! A variant of this product is the Water Leak Sensor 4 MoveAlert, that adds a component that can detect when the sensor has been removed.  REQUIRED ITEMS: A YoLink hub with an internet connection is required for full functionality. Features Wireless operation; no 120V outlet or additional wiring required LoRa long-range/low-power technology offers 5+ years battery life, compared to 1+ year for other brands Alexa voice as