Feature 1 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. 2 APP CONTROL: You can remotely control this smart thermostat anytime, anywhere through the mobile APP, more convenient for your daily life. 3 SHARING FUNCTION: You can share this smart WiFi thermostat with guests and family through APP, and control it together. 4 TOUCH SCREEN: Using a digital touch screen, this home temperature controller is clear to read and more convenient to control. 5 WIDE COMPATIBILITY: This thermostat is suitable for 90% of home systems, including C line adapters for homes without C lines.Item Type: Home ThermostatShell Material: Flame Retardant PCModel: ME81 LED 7 WiFi1. Power Supply: 100-250VAC 50 60HZ2. Room Temperature Range: 5 to 703. Temperature Display Accuracy: 0.54. Working Environment Temperature: 0 to 505. Protection Grade: IP206. Storage Environment Temperature: -10 to 607. WiFi Frequency: 2.400-2.483GHz8. WiFi Communication Protocol: IP TCP, MQTT9. Product Design Implementation Standards: GB14536.1-2011IC60730-1:2011 IEC60730-2-9:2011 EN15500:2011 Package List1 x Home Thermostat1 x Instructions2 x Screw1 x Cable