USB Power Adapter for iPhone 1. Quick- charge USB port for fastest possible charge2.Charge Sync Cable for 3G/3GS3. USB Charger Input: AC 100-24V 50-60Hz Output: DS 5V/1000mA4 USB CAR Charger Input: DC 10-30V Output: DC 5V/1000mAFor iPhone:1. Home Charger:100-220V AC power souce2. Car Charger:12 24V DC power souce3. 5.0~5.5V DC output4. Max,1000mA output