Features: 1.Double voltmeter design, real time monitoring 2 battery packs of vehicles, remind you of charge or replacement in time, better avoid emergent dead battery at starting car engine 2.Built-in blue LED digital display, clearly shows you the current readings of working voltage, helps you to better monitor your car battery condition 3.Large input voltage of DC 10-60V, built-in over-current, over-voltage and short circuit protection, well protects the whole circuit well 4.Eco-friendly flame retardant durable ABS plastic and full-sealed black matte surface cover, dust-proof, waterproof and wear resistant 5.Fit for most 12-24V Car Motorcycle ATV UTV RV Vehicles Marine Boat and so on Specification: Features:_x000D_ _x000D_ Double voltmeter design, real time monitoring 2 battery packs of vehicles, remind you of charge or replacement in time, better avoid emergent dead battery at starting car engine. _x000D_ Built-in blue LED digital display, clearly shows you the current readings of working voltage, helps you to better monitor your car battery condition. _x000D_ Large input voltage of DC 10-60V, built-in over-current, over-voltage and short circuit protection, well protects the whole circuit well. _x000D_ Eco-friendly flame retardant durable ABS plastic and full-sealed black matte surface cover, dust-proof, waterproof and wear resistant. _x000D_ Molded in fashionable rocker switch-style with black matte surface treatment to fit for most original panel socket, easy mounted to dashboard switch location. _x000D_ Fit for most 12-24V Car Motorcycle ATV UTV RV Vehicles Marine Boat and so on. _x000D_ _x000D_ Specification:_x000D_ Material: ABS Plastic_x000D_ Color: Black_x000D_ LED Color: Blue_x000D_ Input Voltage: 10-60V_x000D_ Surface Size: 48.5 * 24mm/1.9 * 0.94in_x000D_ Installation Size: 37 * 21mm/1.46 * 0.83in_x000D_ Package Weight: approx.22g_x000D_ Fitment: Fit for 12V-24V Car Motorcycle Boat Marine ATV RV Vehicles, etc_x000D_ _x000D_ Package List:_x000D_ 1 * LED Digital Dual Voltmeter PackageList: