Specification:3 Ports power: 100W\n\tInput voltage: 12-24VWith independent switchWith display: voltage display\n\n\n\tPower cord length: about 56CM\n\n\n\t4USB output: DV5V \/ 3.6A total\n\n\n\t ..<\/p>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t