KetotekDigital LCD Pointer Thermometer Car Water Temperature Meter Gauge C/FCelsius/Fahrenheitfor PC MODComputer Case,Air Conditioning Boilers 100% new and high quality Temperature unit: C or F(Plug/unplug the jumper cap to switch the unit Temperature Range: From -50C to 110C / -58F - 230F (C/F switch) Accuracy: 0.5C Sensor type: NTC (10K/3435) Water-proof sensor probe Working Voltage: DC 5-25V Working Current: Max. 20mA With a 4-pin connector for PC use Red line connect the positive, black line connect the cathode.(With reverse polarity protection) Working Temperature: -20C-60C Widely used in car water temperature detection, air conditioning,refrigerator temperature detection, water heater temperature detection,computer chassis temperature detection, etc Size: Mounting size: 45mm(L) x 25mm(W) Front panel size: 48mm(L) x 28mm(W) Product size: approx. 48mm(L) x 28mm(W) x 17mm(D)/ 1.9''x1.1''x0.67'' Power cable length: approx. 50cm/20'' Sensor cable length: approx. 100cm(include the probe)/39'' 1 x Digital Thermometer There has two type of this item, please choose the one you need Orange ------USB Type and Gold ------4pin connector type