Package includes: 1 x Water Temp Gauge plus accessorie as shown! Instruction is Included, Professional Installation is highly recommended. ​ Features: Black shell and White light Numbers and pointer clearly show the water temperature. Used to measure the water temperature of automobile. Measurement range is 40-120°C. ​High sensitivity and easy operation. Specification: The shell color: Black The light color: White Power: 12V DC, Max. 0.3A Diameter: 2 inch / 52mm Outer diameter of the screen: 56mm / 2.2" Inner diameter of the screen: 43mm / 1.7" Read: 40-120 °C Celsius Sensor Mounting Thread: 10mm / 0.4" The wire length: 114mm / 4.5" Package Included: 1 x Water Temp Celsius Gauge 1 x Sensor 1 x Bolts Pack 1 x English Instruction