4 inch Screen Smart Thermostat 1. BHT-2005 smart thermostat is compatible with waterelectricityboiler heating systems and can be used in smart homes, shopping malls, and industrial operations. 2. 4-inch capacitive touch screen, 6H tempered glass panel, oleophobic and anti-fingerprint 3. The interface display is simple and friendly, and the operation is convenient. 4. Multi-surround heat dissipation design, temperature detection is more accurate. 5. Quickly turn on energy-saving mode, programmable settings, smarter and more environmentally friendly 6. WiFi model supports Tuya Smart Life APP remote control and supports smart speaker voice commands. Specifications: Voltage range: AC 95-240V, 5060Hz Current: 5A (water heating, boiler heating), 16A (water heating) Display: 4-inch IPS multi-touch capacitive screen, anti-fingerprint coating, 480x480 resolution Temperature control range: 5 to 45 degrees Celsius Temperature display range: 5 to 99 degrees Celsius Storage temperature: -5 to 40 degrees Celsius Working environment: -10 to 40 degrees Celsius, 5 to 90%RH (non-condensing) Protection level: IP20 Shell material: PC+ABS (flame retardant) Mounting hole distance: 60mm