12v Digital Thermometer Display, DROK Plug In 0.56" Tester Case DC 12 V Digital Celsius Temp Thermometer Sensor -50&deg;c~110&deg;c Temperature Gauge Blue LED Display DROK digital thermometer measuring range is -50 ~ 110 c; measurement accuracy is 0.1 c. The temperature meter panel supply voltage is DC 12V (DC4.5-15V). The temp will be displayed with three-digit 0.56-inch Bule LED digital tube. The power consumption of the temperature gauge is 18MA (12V , &lt; / = 0.2W). The temperature probe adopts B3950-10K, waterproof sensor, wire length is 100mm.