Package includes: 1*Temperature controller panel 2*screws 1*user manual Operation instructions: Press to turn it on, it will show the current termperature of the room. Press it one more time, the controller will be turned off.When the controller is power onpress to increase the temperature, press to down the temperature. The change value will be 1.This product is for Central air-conditioning temperature controller, it is not for floor. You can press"M" button to switch the mode, if it shows"cool", it will be cold wind, if it shows" warm", then it will heat your room. The backlight will be off after 5 seconds.