Electop 12V 15A Male Plug Cigarette Lighter Adapter Power Supply Cord with 3M/10FT Cable Wire For Car inverter,Air pump,electric cup 12V Cigarette lighter Plug for backup system. This is a standard parts, apply to almost all models of cigarette lighter socket. Also can use for other appliances with terminal. Line nose aperture is 6.3 mm. The cable length 3m(10ft), red cord is positive, black cord is negative. Male plug is fitted with 15A fuse to protect your vehicle and devices and has LED light indication of power on. Cigarette lighter plug already soldered with electric iron, plug and play. After cold nose pliers pressure line and then solder and welded, robust and reliable, and never fall off.