Volt Meter High Accuracy Battery Monitor 12-24V Dual Digital LED Car Voltmeter for Motorcycle Featuring over-current protection, short-circuit protection, and over-voltage protection, this multi-function car charger is compatible with various vehicles and supports 12-24V voltage systems. The voltmeter features an LED digital display for clear and easy reading. The environmentally friendly flame-retardant plastic shell provides good electrical insulation. Made from durable ABS material, it is portable and long-lasting. Product dimensions: 3.7cm x 4.3cm x 2.9cm (Approx. 1.46 x 1.69 x 1.14 inches) Suitable for most 12-24V vehicles with dual battery systems, including cars, motorcycles, buses, boats, yachts, RVs, pickups, trucks, and trailers. Item Name: Car Voltmeter Material: ABS Color: Black LED Display Color: Red, Blue, Green Output Voltage: 5V Measuring Voltage Range: 6V-30V Input Voltage: DC 12V 10A / 24V 20A Display Type: LED Digital Display Features: Energy-saving, High Accuracy, Durable Size Details: Product Size: 3.7cm x 4.3cm x 2.9cm / 1.46 x 1.69 x 1.14 inches (Approx.) Surface Size: 36.5mm / 1.44 inches Drill Size: 29.2mm / 1.15 inches Note: Due to lighting and screen setting differences, the item's color may vary slightly from images. Slight dimensional variations may occur due to manual measurement. Package Includes: 1 x Car Voltmeter