CUZEC Heavy-Duty 15A Male Plug Cigarette Lighter Adapter Power Supply Cord has high power plug, hardness, high resistance, arc resistance, and heat resistance. This plug is a standard part, applies to almost all models of cigarette lighter sockets. Also it can be used with other appliances using the terminal. The line nose aperture is 6.3 mm. Both 12V and 24V are allowed and the output voltage is the same as the voltage in the car. The male plug is fitted with 15A fuse to protect your vehicle and devices and has an LED power on light indicator. The16 AWG extension cable length is 13.1ft / 4m, the red cord is positive, the black cord is negative.