GREAT VALUE - When it comes to clip on pipe thermometers, we only offer the best quality and accuracy. Temperature range: 40-120C. Quality Guaranteed - Our carefully selected range of pipe temperature gauges are manufactured to the highest standards that our customers have come to expect. Easy to Install - High sensitivity and easy to use. Design: Black shell and white light. Name: 2 inch 52mm GM Water Temperature Gauge Measuring Range 40 - 120C Size: about 70*70*60mm Color: black case and white light Material: stainless steel Function: digital pointer indicates the temperature of water, which is used to measure car water temperature. Measurement range: 40-120 Voltage: DC 12V, high current 0 .3 A Diameter: 52mm Outer diameter of the screen: 56 mm Inner diameter r of screen: 43mm Measuring range: 40-120 Sensor mounting thread: 10mm Line length: 114 mm Includes: 1 x Celsius Water Temperature, 1 x Sensor, 1 x Set of Bolts, 1 x Instruction Manual Temperature Meter Installation Method Water: When installing the water temperature meter, connect a ground wire from the screw on the water temperature tee. to the ground of the body.