1With LED digital display, shows 3?bits for easy read, twist?and?lock design, convenient to use. 2Real?time detection of car battery voltage, fits for connecting to 12V system. 3Universal voltage meter suitable for car, motorcycles, boats, caravans, campers, etc. 4Small in size, easy to install and operate, the touch on/off makes it energy?saving. 5PC flame?retardant shell, with reverse connection protection function, will not burn the circuit, safe to use. 6Used to monitor the voltage of the battery, inform the battery voltage status in time, can also be used for other products.1 xVoltage Meter2 x Blue TerminalCondition: Item Type: Voltage MeterMaterial: PCShell Color: BlackFeatures: Waterproof; Flame retardant materialInterface Type: Anode and CathodeApplication: Universal for All Car, Motorcycles and Other ModelsInput Voltage: 12-24VOutput Voltage: 5VOutput Current: 1000mAWorking Temperature: -40-60Applicable Charging Range: 12-24V 1With LED digital display, shows 3?bits for easy read, twist?and?lock design, convenient to use. 2Real?time detection of car battery voltage, fits for connecting to 12V system. 3Universal voltage meter suitable for car, motorcycles, boats, caravans, campers, etc. 4Small in size, easy to install and operate, the touch on/off makes it energy?saving. 5PC flame?retardant shell, with reverse connection protection function, will not burn the circuit, safe to use. 6Used to monitor the voltage of the battery, inform the battery voltage status in time, can also be used for other products.1 xVoltage Meter2 x Blue Terminal