Item Type: WIFI Thermostat Material: Plastic WIFI: 802.11B G N20 N40 At 2.4GHz Infrared: 915MHz Specification: 4.3 Inch Full Color Touch Screen Pir Sensor: 1. Detection Room 2. Sensing Distance Three Meters, Angle 70 Electrical Rating: 24VAC, 1A Current Carrying; 5A Surge 50 60HZ Operating Environment: Temperature Range: 0-50 or 32-122 Humidity Range: 5-95% Storage Temperature: -30-60, -22-140 Wiring: 18AWG, R And C Lines For HVAC System Required Operating Environment: 0-50, 32-122 (Indoor Only) Humidity Range: 5-95% Installation Type: Desktop Use Or Wall Mounted Package List 1 x Touch Screen 1 x Back Cover 1 x Wall Plate 4 x Accessories 1 x Instruction Book 1 x Label 1Energy Saving: WiFi thermostat can realize remote control, avoid longer time in an empty room and other useless time, save energy, reduce carbon emissions, protecting the environment. Suitable for Tuya and for Google Assistant. 2Convenient and Easy to Use: Users can control the WiFi thermostat through the mobile phone APP to realize temperature regulation anytime and anywhere. Easy and convenient to use. 3Smart Learning: The WiFi touchscreen thermostat has a built in intelligent algorithm that automatically adjusts the indoor temperature by learning the rules of family life, making the home environment more comfortable. 4High Compatibility: WiFi thermostat is compatible with most household appliances and smart home systems. Can be installed and used directly without replacing existing devices. Suitable for living room, bedroom or office use at home. 5Safe and Reliable: WiFi temperature controller is made of premium materials, with hardware anti theft, timed shutdown, anti overload and other multiple protection measures, more secure use.