The Taylor 1730 digital indoor/outdoor thermometer offers uncompromising accuracy coupled with the benefit of a 200 feet. Wireless range. The thermometer can handle indoor temperatures between 32 degree and 122 degree Fahrenheit or 0 degree and 50 degree Celsius, as well as an outdoor range of-4 degree to 140 degree Fahrenheit or-20 degree to 60 degree Celsius. Further enhancing this unit's versatility and functionality is its built in clock. | Taylor | | Digital Thermometer Plastic Black 7.68 in. | Best Buy