Feature:1. You can remotely control your home temperature through mobilephone APP.2. Compatible with Alexa, Home and Yandex Alice, offers simple voice command control.3. Three modes adjustable: manual, auto and temporary.4. With programming function, 5+2/6+1/7 days, supports different temperature setting accordingly with 6 time-modes daily.5. Temperature calibration function, display temperature range difference adjust temperature calibration (-9.9 to 9.9).6. You can creates group to realizes group control in different room.7. Children lock function is designed to prevents children from operating by mistake.8. Group control and family share function, control the device together with your family member.Specification:Specifications:Main color: white+blackTemperature controller size: 86 * 80 * 105mm / 3.4 * 3.1 * 4.1inRF receiver size: 86 * 86 * 28mm / 3.4 * 3.4 * 1.1inLoad current: 3AWater Resistant: IP20Accuracy: 1Battery: 3 * AA battery (not included)Package size: 138 * 97 * 70mm / 5.4 * 3.8 * 2.8inPackage weight: 360g / 12.7ounce.Package List:1 * Temperature Controller1 * RF Receiver1 * User Manual1 * USB Cable