Control with Tuya Wifi for water/gas boiler heating system, easily enable the temperature correction and high limit temperature ceiling for perfect room temperature, focusing on making simple, human, delightful feelings for your various decoration styles. Features: You can remotely control your home temperature through mobilephone APP. Compatible with Alexa, Google Home and Yandex Alice, offers simple voice command control. Three modes adjustable: manual, auto and temporary. With programming function, 5+2/6+1/7 days, supports different temperature setting accordingly with 6 time-modes daily. Temperature calibration function, display temperature range difference adjust temperature calibration (-9.9 to 9.9). You can creates group to realizes group control in different room. Children lock function is designed to prevents children from operating by mistake. Group control and family share function, control the device together with your family member. Specifications: Main color: white+black Temperature controller size: 86 * 80 * 105mm / 3.4 * 3.1 * 4.1in RF receiver size: 86 * 86 * 28mm / 3.4 * 3.4 * 1.1in Load current: 3A Waterproof: IP20 Accurancy: ±1 Battery: 3 * AA battery (not included) Package size: 138 * 97 * 70mm / 5.4 * 3.8 * 2.8in Package weight: 360g / 12.7ounce Packing List: 1 * Temperature Controller 1 * RF Receiver 1 * User Manual 1 * USB Cable