We will test it before shipment. Reference Weight:0.12kg (0.26lb.) Features: Plug into your car's cigarette lighter and charge your battery while you're driving; Designed with multifunction European plug that charges your camera / camcorder battery quickly and conveniently; Quick charge with automatic constant current control prevents battery from overcharging, short circuit, and electronic shock; Smart LED indicator shows charging status; Perfect for both home and travel use; Specifications: Product name: Wall AHDBT-201/301 Battery Car Charger + EAC DC Adapter for GoPro Hero 3 3+ Model: GP37 Material: ABS + metal Applicable product: for GoPro Hero 3+/ 3 Input: AC 100V- 240V, DC 12V- 24V Output voltage: 4.2V, 450mA Compatible products: for GoPro AHDBT-201/301 battery Product color: black Product size: 85 X 45 X 35mm/3.35 X 1.77 X 1.38" Net weight: about 61g Gross weight: about 112g 1 X Battery Charger 1 X Car Plug Adapter 1 X European Plug