The smart thermostat provides uniform and comfortable temperature control in all rooms of your property. With technology, know-how and quality materials to offer you a safe and reliable thermostat combined with an elegant and contemporary design.Features: x Smart thermostat that can be controlled by your phone before you get home. x Wall or tabletop installation style meets your different needs. x Pairing of thermostat with the receiver, then the receiver can apply heating, more flexible to use. x 2 power modes: 2 x AAA batteries (NOT INCLUDED), DC 5V USB charging, AC230V wiring. x Create a group of thermostats for centralized control and support device sharing.Specifications:Material: PCColor whiteVoltage: 230 VCharging current: 3 ATemperature sensor : NTCTemperature accuracy: 1Temperature adjustment range: 5 - 90Protection level: IP20Wireless transmission distance: 100-200mWireless frequency: 868MHz/433MHz (two-way FSK)APP: TuyaPower supply: 2 AAA batteries (NOT INCLUDED), DC 5V USB charging, AC230V wiringItem size:Thermostat: 135 x 87.5 x 23.2 mm / 5.3 x 3.4 x 0.9 inchReceiver: 86 x 86 x 26 mm / 3.4 x 3.4 x 1.0 inchReceiver size package: 14.0 x 9.5 x 6.7cm / 5.5 x 3.7 x 2.6inPackage weight: 350g / 12.3oz< p>Package list:1 x smart thermostat1 x Receiver1 x installation screw set1 x USB cable1 x manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.