Fangrui Product Details 1. 4 Inch Screen Smart Thermostat 2. Bht-2005 Smart Thermostat Is Compatible With Waterelectricityboiler Heating Systems And Can Be Used In Smart Homes, Shopping Malls, And Industrial Operations. 3. 4-inch Capacitive Touch Screen, 6h Tempered Glass Panel, Oleophobic And Anti-fingerprint 4. The Interface Display Is Simple And Friendly, And The Operation Is Convenient. 5. Multi-surround Heat Dissipation Design, Temperature Detection Is More Accurate. 6. Quickly Turn On Energy-saving Mode, Programmable Settings, Smarter And More Environmentally Friendly 7. Wifi Model Supports Tuya Smart Life App Remote Control And Supports Smart Speaker Voice Commands. 8. Specifications: 9. Voltage Range: Ac 95-240v, 5060hz 10. Current: 5a (water Heating, Boiler Heating), 16a (water Heating) 11. Display: 4-inch Ips Multi-touch Capacitive Screen, Anti-fingerprint Coating, 480x480 Resolution 12. Temperature Control Range: 5 To 45 Degrees Celsius 13. Temperature Display Range: 5 To 99 Degrees Celsius 14. Storage Temperature: -5 To 40 Degrees Celsius 15. Working Environment: -10 To 40 Degrees Celsius, 5 To Rh (non-condensing) 16. Protection Level: Ip20 17. Shell Material: Pc+abs (flame Retardant) 18. Mounting Hole Distance: 60mm