Universal compact USB car charger with LED backlight and voltmeter. The device has a built-in fuse to ensure protection against overvoltage. The display with a voltmeter allows real-time monitoring of the battery voltage. Technical specification: - 2 USB charging ports - LED backlight - material: aluminum / ABS - power supply: car cigarette lighter socket 12/24V - charging current: 5V 4.8A (max) - power: 24W - dimensions: length. 6 cm, avg. 3.5 cm Number of pcs. in the carton: 200