KETOTEK Digital Thermometer Temperature Meter Gauge Waterproof Sensor Probe Aquarium Car Water PC Case Temp meter Celsius/Fahrenheit Display C/F PC MOD

Working Voltage: DC 5-25VWorking Current: Max. 20mAWith a 4-pin connector for PC useRed line connect the positive, black line connect the cathode.(With reverse polarity protection)Working Temperature: -20°C-60°CWidely used in car water temperature detection, air conditioning,refrigerator temperature detection, water heater temperature detection,computer chassis temperature detection, etcSensor cable length: approx. 100cm(include the probe)/39''Package content 1 x Digital Thermometer