Features: Brand new and high quality. Charger is designed with a foldable AC plug that can work with any US power socket. Quick charge with automatic constant current control prevents battery from overcharging, short circuit, and electronic shock. Universal battery charger with USB output. Input: AC 240V 50/60Hz 0.15A. Output: DC 4.2V 350mA 50mA. USB: 5.2V DC 500mA. Compatible with: Gopro Hero 2. Note: charger only, battery is Not Included.