SINEDY Car In-outdoor Thermometer Practical Useful LCD Screen display, clock function. Used widely, such as in air-condition, icebox, icehouse, car and house. In/out Dual-way temperature measurement.Resolution: higher than-20C, 0.1C, no more than -20C,1C. With a length of 1.5 meter temperature probe cable. Temperature range: -50C~70C.