The 5V power supply of the car USB port can be converted into a 12V cigarette lighter socket power supply.With boost converter circuit, stable qualityThis model is an improved version, using larger shielding inductance and diodes, the wire is thickened with a copper core, and it is more stable to useWhen the car's cigarette lighter interface is not enough, this conversion line can convert the USB 5V power supply to the 12V cigarette lighter female power output, which can be connected to some driving recorders, electronic dogs, etc.Does not support high-current devices such as car vacuum cleaners and car air pumpsProduct length: 30cmInterface type: USB x 1, cigarette lighter female socket x 1Input interface: USBOutput interface: cigarette lighter socketInput voltage: 5VInput current: 2A-3AOutput voltage: 12VOutput current: 1A (max)colour:BlackMaterial:PVCsize:30 x 6.4 x 2.7cmPackage Contents:1 x Conversion cableOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.