Description:Touch switch voltmeter is easy to operate and helps you monitor the car battery voltage in real time.Transparent voltmeter can be used universally for modifying cars, motorcycles, ships, yachts, and 12-24V vehicles.Made of high quality PC material, it is harmless, environmentally friendly and durable.The length of this voltmeter is 3.7cm, width is 3.2cm, height is 2.7cm.It is suitable for motorcycles, cars, trucks, boats, yachts, etc.Item Name: VoltmetersMaterial:PCInput Voltage: 12-24 (V)Output Voltage: 5 (V)Operating Humidity: -40-60 CelsiusShell Color: TransparentDisplay Color: Red, Blue, GreenApplicable Charging Range: 12-24VSize:3.7cmx3.2cmx2.7cm/1.46inx1.26inx1.06inNotes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 X Standard Threaded Retaining Ring2 X Blue Sheath Terminals1 X Voltmeter