Description: Comes with two USB ports to supply power for extra two USB-powered devices.Such as iPod, cell phone, MP3 player, PDA etc.Charges your devices while you're on the go, safely and rapidly Internal circuit to manage charging status and prevent from over or under-charging.Expands vehicle accessory power options Usage: Plug the Car Charger into the cigarette lighter and insert the connector of car charger adaptor into the PDA to realize recharging the PDANo hardware needed. Fits in most cup holders A fuse is included with the product Input: DC 12V--24V Output: DC 4A USB output power: DC5V Total output power: 60W Working temperature: 0Degree~ 60Degree Relative humidity: 5%~70% Color: black Charger Plug Size: 7cm x 2.6cm x 2.6cm approx Cigarette Lighter Socket Size: 6.5cm x 6.5cm x 8.5cm approx Cable Length: 50cm Package includes: Cup Cigarette Lighter x 1