Features 7 DAY SCHEDULE: Set a schedule for daily going home, sleeping, and going out with our thermostat, so you do not have to repeatedly set it up. APP CONTROL: You can remotely control this smart thermostat anytime, anywhere through the mobile APP, more convenient for your daily life. SHARING FUNCTION: You can share this smart WiFi thermostat with guests and family through APP, and control it together. TOUCH SCREEN: Using a digital touch screen, this home temperature controller is clear to read and more convenient to control. WIDE COMPATIBILITY: This thermostat is suitable for 90% of home systems, including C line adapters for homes without C lines. Specification: Item Type: Home Thermostat Shell Material: Flame Retardant PC Model: ME81 LED 7 WiFi 1. Power Supply: 100-250VAC 50 60HZ 2. Room Temperature Range: 5℃ to 70℃ 3. Temperature Display Accuracy: ±0.5℃ 4. Working Environment Temperature: 0℃ to 50℃ 5. Protection Grade: IP20 6. Storage Environment Temperature: -10℃ to 60℃ 7. WiFi Frequency: 2.400-2.483GHz 8. WiFi Communication Protocol: IP TCP, MQTT 9. Product Design Implementation Standards: GB14536.1-2011IC60730-1:2011 IEC60730-2-9:2011 EN15500:2011 Package List:1 x Home Thermostat1 x Instructions2 x Screw1 x Cableor1 x Home Thermostat1 x Instructions2 x Screw Package List 1 x Home Thermostat 1 x Instructions 2 x Screw 1 x Cable