Iztoss 12v Car Motorcycle Motorbike Cigarette Lighter Power Plug Socket with 60cm wire in-line 10A fuse Sold by Iztoss,with 12v Cigarette Lighter Length: about 70 mm,Outer diameter: about 28 mm,wire length:60cm ,in-line 10A fuse. Installation: Connect the red wire with round terminal to the round pin of socket and the black wire with flat terminal to the flat pin. Then connect the red wire to battery's positive (+) terminal and black to negative (-) terminal. Applications:GPS charging, cell phone charger, car MP3 power supply, car vacuum cleaner, car tire inflation power, etc.