100% Brand New. name:Voltmeter Socket Input Vvoltage:12V-24V Measure voltage: 6 ~ 33V. Lights color:blue Size: 6 x 4cm(L x W) Product use range:Cars, motorcycles, other general models Used to monitor the storage-battery voltage, with reverse connection protection function, line will not burn. Features: DC voltage measurement, with anti - reverse, short-circuit protection function Real time detection of battery voltage, use of battery in normal operating voltage use, prolong and protect the battery and engine life. The motorcycle did not launch under normal circumstances, the voltage 12.5V above is normal. After the motorcycle engine, generator voltage normal value for 13.5V-14.5V, voltage is too high or too low is a fault, it is recommended to repair shop inspection repair. Package Content: 1 x Voltmeter Socket