First Pairing (press and hold): The remote control is convenient to lay flat on the table or to hang . Between / , standard time / summer time free to choose. Low battery warning. Maintain a constant room temperature(Cooling Mode& Heating Mode). Advanced Wireless Technology: 2.4GHz RF and wireless automatic mating. The signal transmission is faster, much more stable and energy-efficient. 2 * AA batteries can be used for more than 3 months. Cold and Heat Modes Switchable: Suitable for heating device and cooling device. Main Function of M Button 1. Press M key for 3 seconds to start each mode setting 2. Press and hold M key only 2 SECONDS to enter into mold of timer and thermostat setting Press key "+" or "-" to choose stay ON or OFF Press "+" to choose or Press OK for 3 seconds to change between between HEAT and COOL Plug Type:EU Plug,it applies to Indonesia, Germany, France, , Italy and so on Voltage: AC220V Material: plastic colour: White Package Contents: 1 x Thermostat Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.