Dual USB Charger Features 10W (2.1A) Dual USB ports Travel size charging for 2 devices Smart IC chip technology prevents your device from overcharging, overheating and short circuiting Input: DC 12~24V Output: DC 5V/10W/2.1A (Shared) Available colors in Black/Gray, Black/White Unit Dimensions (in) 14.50 x 12.90 x 22.50 L x W x H Weight (lbs) 16.01 Giftbox/Clamshell Dimensions(in) 16.50 x 14.00 x 25.60 L x W x H Weight(lbs) 20.20