Bullet Point 1 Kastar Mini Rapid A/C Charger Features a Fold-out US Plug, 110-240V Worldwide Input Voltage. Bullet Point 2 Charger indication Green lights for standby, Red is for charging. Which can prevent the overcharge and overdischarge. Bullet Point 3 Fast charge with automatic constant current control prevents battery from overcharging, short circuit, and electronic shock. Bullet Point 4 The charger is for charging your battery only. It does not work as AC adapter for your digital camera or camcorder. Bullet Point 5 All Items Include 30-day Money Back and 3-YEAR Manufacturer Warranty. Description Details Package Includes: 1 x Travel Charger Battery Compatible: GoPro HERO4 Charger Compatible: GoPro HERO4 Compatible with the following models: GoPro AHDBT-401 GoPro AHBBP-401 GoPro HERO4 Black GoPro HERO4 Silver Note: Not compatible with the GoPro HERO, HERO2 or HERO3 cameras. Quality Price Value