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 1Double 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 2Built-in blue LED digital display, clearly shows you the current readings of working voltage, helps you to better monitor your car battery condition 3Large input voltage of DC 10-60V, built-in over-current, over-voltage and short circuit protection, well protects the whole circuit well 4Eco-friendly flame retardant durable ABS plastic and full-sealed black matte surface cover, dust-proof, waterproof and wear resistant 5Fit for most 12-24V Car Motorcycle ATV UTV RV Vehicles Marine Boat and so on