The Taylor 1730 digital indoor/outdoor thermometer offers uncompromising accuracy coupled with the benefit of a 200 feet. Wireless range. The unit itself has a stylish modern Veneer that works in any room, which puts no limit on the places where you can receive precise measurements. The wireless remote sensor of the 1730 transmits up to 200 feet. 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.