4 m 12 V Cigarette Lighter Socket Extension Cable with Voltmeter and LED Ammeter, Cigarette Lighter Extension Cable Adapter for Motorcycle, Boat, Car, Truck

The female plug of the 12V cigarette lighter extension cord for car has an upgraded waterproof cover, which effectively protects the internal circuits and extends the life of the extension cord. The cigarette lighter extension adapter has voltage and current display, voltage display (red light), current display (green light), power on to monitor car voltage and current, safe to use. 12V-24V high power output, use thick and very hard bakelite, high temperature resistance, good heat dissipation, manganese steel part with better elasticity and more stable, with indicator light. Voltage display Cigarette lighter extension cable, thickened and coarse fiber core, stable current transmission, high efficiency. The red line is positive, the black line is negative. Suitable for 12V/24V cigarette lighter adapter, all kinds of automotive equipment, tire inflation pump, car radio, car vacuum cleaner, car refrigerator, etc.