The thermometer is designed with black plastic shell, LCD screen display, measuring termperature by two sensors, 38.2" length cable with integrate probe. It can show centigrade and fahrenheit. Come with a suction cup for easily fixing on some places which you want to put. Suction base, LCD display, clock function, button cell powered (not included here). Widely used in air-condition, icebox, icehouse, and house, etc.