1、Smart thermostat that can be controlled by your phone before you come back home. 2、Wall mount or tabletop installation style meets your different needs. 3、Pairing the thermostat with receiver, then the receiver can enforce heating, more flexible to use. 4、2 power supply mothods: 2 * 3A batteries (NOT INCLUDED), DC 5V USB charging, AC wiring. 5、Create thermostat group to centralized control and support device sharing. 6、Compatible with for Alexa and for Assistant for voice control. 7、6 periods can be set each day, easy to choose manual mode or auto mode. 8、Backlit LCD display for easy reading, touch button to make simple operate. 9、Keypad locking function is designed to prevent children from operating by mistake. 10、With anti froze function to prolong the service life of the device. 11、1℃ accuracy keeps temperature within the level you set. Specifications: Material: PC Color: White Load Current: 3A Temperature Accuracy: ±1℃ Temperature Setting Range: 5~90℃ conservation Level: IP20 Wireless Transmit Distance: within 100m Wireless Frequency: 868MHz/ 433MHz (Two-way FSK) APP: for  Tuya Power Supply: 2 * 3A Batteries (NOT INCLUDED), DC 5V USB Charing, AC Wiring Item Size: Thermostat: 135 * 87.5 * 23.2mm / 5.3 * 3.4 * 0.9in Receiver: 86 * 86 * 26mm / 3.4 * 3.4 * 1.0in Package Size: 14.0 * 9.5 * 6.7cm / 5.5 * 3.7 * 2.6in Package Weight: 350g / 12.3oz 1 * Smart Thermostat 1 * Receiver 1 * Set of Installation Screw 1 * USB Cable 1 * Manual 2 * Brackets