The smart thermostat allows for uniform and comfortable temperature control in all rooms of your property. With technology, craftsmanship and quality materials to offer you a safe and reliable thermostat combined with a stylish and contemporary design.Features:Smart thermostat that can be controlled by your phone before you get home.Wall-mounted or tabletop installation style meets your different needs.By combining the thermostat with the receiver, the receiver can then strengthen the heating, more flexible to use.2 power supply modes: 2 AAA batteries (not included), DC 5V USB charging, AC230V wiring.Create a thermostat group for centralized control and support device sharing.Compatible with Alexa and Google Assistant for hands-free voice control.6 periods can be set each day, free to choose manual mode or automatic mode.LCD backlit display for easy reading, touch button for simple operation.Keypad lock function is designed to prevent children from using by mistake.With anti-freeze function to extend the life of the device.1 accuracy keeps the temperature within the level you have defined.Specifications:Material: PCColor: WhiteVoltage: 230VLoad Current: 3ATemperature Sensor: NTCTemperature Accuracy: 1Temperature Setting Range: 5~90Protection Level: IP20Wireless Transmission Distance: 100-200mWireless Frequency: 868MHz/ 433MHz (Bidirectional FSK)APP: TuyaPower Supply: 2 x AAA Batteries (Not Included), DC 5V USB Charging, AC230V WiringItem Size:Thermostat: 135x87.5x23.2mm / 5.3x3.4x0.9inReceiver: 86x86x26mm / 3.4x3.4x1.0inPackage Size: 14.0x9.5x6.7cm / 5.5x3.7x 2.6in Package Weight: 350g / 12.3oz Package List: 1 * Smart Thermostat 1 * Receiver 1 * Set of Installation Screws 1 * USB Cable 1 * Manual