keynice digital thermometer, temperature sensor usb power supply, fahrenheit degree and degrees celsius color lcd display, high accurate-black keynice <b> high quality unit</b> <br> a very unique digital temperature meter with a 3.3 ft cable and remote temp sensor probe.<br> ideal for seeing temperature in cars, aquariums, pet habitats, hvac air ducts, computer towers and cpu temp, reading temperature inside or outside the home, test equipment, farms, pools , jacuzzi, see outside air or water temperature in automobiles, vans, trucks, rvs and boats. <br> the unit has a great professional look when flush or surface mounted onto any surface. <br> fahrenheit to celcius selector switch located on the back of unit. <br> auto updates the temperature reading every 2.5 seconds. <br> the temp sensor probe is rustproof because its made of 100% stainless steel. <br> it has a backlight.<br> <p> <b>specification</b> <br> temp. range: -58f ~ +230f (-50°c ~ +110°c)<br> accuracy: +/-1degree <br> wide working voltage: dc4-25v or usb 5v <br> sensor: ntc, 10k, b=3435k, cord length: 3.3ft(1m) <br><br> <b>warning: </b><br> please do not put in any corrosive liquid.<br>