[LCD Display with Backlight] This temperature and humidity infrared controller with a large LCD dispay screen and the backlight can be open or closed by your needs. [Voice Control] The smart wifi thermostat is perfect compatible with Amazon Alexa, Google Home. Just simply give a voice command to your Alexa or Google Home Assistant to control your devices when you are on go. [APP Remote Control] After connect with your mobilephone correctly, you can control the controller and your air conditioner on your mobilephone through Tuya App, you can control it easily even if you are far away from home. [Child Lock] This infrared controller has the function of child lock, which can effectively avert the setting error caused by children touching it. [USB Power Supplys] This device adopt USB power supplys, plug and play, very convenient. [Wide Applications] This tool can be widely used in your home, office, living room, bed room and so on. Power: Type-c, USB, Direct Current 5V 1A Wiring WiFi: 2.4GHz WiFi standard: IEEE802.11 b/g/n Max. wireless distance: 45m Max. working current: 550mA Standby consumption: 25mA Temperature control ranges: 16℃-30℃ Temperature detecting ranges: -10℃-60℃ Humidity detecting ranges: 0-90% (no condensation) Temperature: 0.3℃ Humidity: 5%RH Colour:Black Material:ABS Package Contents: 1 set * Tuya WiFi smart screen infrared thermostat Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.