4)3 independent smart LED lights, indicating RED when charging and GREEN when completed.
5)Triple 3-Channel Charger with both mini USB port and micro USB port supports AC and DC power supplies.
Packing List 3 x Rechargeable Li-ion Batteries for GoPro 4 1 x Triple Battery Charger for GoPro 4 1 x USB Cable
Note 1.Gopro Camera showed on the pics is not included and it only compatible with Gopro Hero 4 camera. 2. With the socket of 1.5A/2A current and 5V voltage,it will be charged fully in more than two hours;or it will affect the battery life and even shorten the battery life.