Smart thermostat provides uniform and comfortable temperature control throughtout every room in your property. With technology, craftsmanship and quality materials to offer you a safe, reliable thermostat combined with sleek, contemporary design. Features: Smart thermostat that can be controlled by your phone before you come back home. Wall mount or tabletop installation style meets your different needs. Pairing the thermostat with receiver, then the receiver can enforce heating, more flexible to use. 2 power supply mothods: 2 * AAA batteries (NOT INCLUDED), DC 5V USB charging, AC230V wiring. Create thermostat group to 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 auto mode. Backlit LCD display for easy reading, touch button to make simple operation. Keypad locking function is designed to prevent children from operating by mistake. With anti-froze function to prolong the service life of the device. 1 celsius accuracy keeps temperature within the level you set. Specifications: Material: PC Color: White Voltage: 230V Load Current: 3A Temperature Sensor: NTC Temperature Accuracy: +/-1 celsius Temperature Setting Range: 5~90 celsius Protection Level: IP20 Wireless Transmission Distance: 100-200m Wireless Frequency: 868MHz/ 433MHz (Two-way FSK) APP: Tuya Power Supply: 2 * AAA Batteries (NOT INCLUDED), DC 5V USB Charing, AC230V 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 Package List: 1 * Smart Thermostat 1 * Receiver 1 * Set of Installation Screw 1 * USB Cable 1 * Manual