This item is designed for GoPro Hero 4, and it can charge two AHDBT-401 battery and one Wi-Fi remote control at the same time.

Features:
Compatible for GoPro Hero 4 battery and Wi-Fi remote control.
Can charger two AHDBT-401 battery and one remote control at the same time.
Indicators help show battery status.
Over current protection, over charge and discharge protection.
Comes with a USB cable, can be powered by AC adapter or computer.(neither included)

Specifications:
Brand: TELESIN
Model: GP-BCG-403
Compatible: for GoPro Hero 4 Battery & Remote Control
Input: 5V 2A
Output1: 4.3V 800mA
Output2: 4.3V 800mA
Output3: 5V 500mA
Item Size: 7 * 4.4 * 2.2cm / 2.8 * 1.7 * 0.9in
Item Weight: 41g / 1.5oz
Package Size: 14 * 10 * 3cm / 5.5 * 3.9 * 1.2in
Package Weight: 82g / 2.9oz

Package List:
Only the charger is included, the battery and remote control are not included.

Package List:
1 * Charger
1 * USB Cable