SILVER GREY COLOR. Digital automatic code searching function Easy setting, simple operation, original appearance Comfortable and convenient to use Built-in clock and timing ON/OFF function Constant temperature display Design code patented Number 200810023186.7 Uses two AAA batteries. (Included) THIS MODEL HAS BOTH A FAHRENHEIT SCALE AND CENTIGRADE FOR USE IN THE USA. Not compatible with window or portable air conditioners. Not compatible with Carrier Airv rooftop ac.