Feature:Brand new and high qualityGood overall performance, high impact strength, good heat and flame resistanceWith fixed bracket, suitable for installation and fixing of various car modelsHigh-quality LED wick, good brightness, full color, multi-color wick running bead design, visual display of different voltage statesIPX6 waterproof level, meet the rainwater in the daily driving process of the locomotiveWiring instructions: the red wire is connected to the positive pole , and the black wire is connected to the negativeReal time monitoring voltage to understand battery stateIf the voltage of locomotive is too low or too high,the battery condition of locomotive can be monitored in real timeSpecification:Material:PlasticPower supply: DC12VDisplay Color: Blue, red, greenOperating temperature: -10C to 65CInput impedance:100KSize:5.0cm/1.97inch x 2.8cm/1.10inch x 1.9cm/0.75inch.Package Included:1 x Motorcycle Volt Gauge Meter