HomeSpot [6A/30W] 4 Port USB Car Charger Cigarettes Lighter Charger Input: DC 12-24V; Output [4 USB ports]: 2.4A / 2.4A (max) / 1A / 1A Smart Charge Technology is equipped on the ports to judge each charged device and provide the best recharging power. Extra Safety Protection - The Car charger automatically turns off when your device starts to overheat or short circuit. Internal LED power indicator helps visualize the connection status and does not distract you while driving. Dimension: 0.95 x 1.93 x 5.12 inches and 1.5M Extension Power Cord; Weight: 4.68 oz