Shelly Flood FLOOD SENSOR WITH TEMPERATURE CONTROL
Leak detection sensor. You can place it under any radiator or shut-off valve, and if there is a leak, you will immediately receive a notification. The sensor also has a built-in function for measuring room temperature. Operates on CR123A-3V batteries (not included). Battery life - up to 18 months.
Temperature measurement: -20°C ÷ 50°C (accuracy ± 1°C), Operating temperature: -40°C ÷ 60°C, Wi-Fi 802.11 b/g/n, Dimensions: 70x70x19 mm.