Wall Mounted Programmable LCD Screen Digital Electric Heating Thermostat Room Temperature Controller Condition: Item Type: Digital Thermostat Material: ABS Color: As shown in the picture Size: Approx.86x86x27mm / 3.4x3.4x1.1in Weight: Approx.192g/6.8oz Backlight Color: White/Blue Battery: 2 x AA 1.5v alkaline battery(Not included) Temperature Display Range: 0-40℃ Accuracy: 0.5℃ Insulation Conditions: Normal environment Probe Sensor: NTC (10K) 1% Run Program: Set up a cycle every 1 week Contact Capacity: 5A boiler heating Output: Switch relay Operating Environment Temperature: 1~70°C Installation: Wall mounted or battery holder Temperature Range: 5-35°C Installation Notes: 1. Disconnect the power before starting installation to prevent electric shock or damage to the equipment. 2. Check your system wiring diagram before installation. If your system is different from this type, please contact your local dealer or a professional electrician. 3. Overload is prohibited according to the specified rated current. 4. Installed 1.5m off the ground. 5. Thermostat installation, please be careful not to install it in the corner of the wall, door / window or behind the door, etc., the outer wall of the normal temperature zone. Avoid hot/cold air tubes, radiators, flue or hot pipes. 6. The thermostat is an unrepairable product. Users are not allowed to open the internal circuit board without authorization.