What's in the box:

Andoer LCD2-GOPRO5 Dual Battery Charger LCD Camera Battery Charging USB Input for GoPro Hero 7 Hero 6 Hero 5 (Black)

Features:
Use the provided connector cable and connect the USB plug to any 5V power source.
Connect the micro-USB plug to the DC Input socket of the charger base.
Charger will finish self-checking after you connect this charger to power source, please wait for 3 seconds before you insert your battery in the charger.
When the charger is powered, battery in Socket CHI, screen CHI lights on, Battery in CH2, screen CH2 lights on.
This LCD dual battery charger is specifically for gopro hero 7/hero 6/hero 5 battery.

Specifications:
Brand: Andoer
Model: LCD2-GOPRO5
Applicable Battery: For 3.7V-3.85V Li-ion/Battery
Input: DC 5V/1-2A
Output: DC4.35V/600mA*2
Item Size: 8.5 * 5.5 * 1.9cm / 3.3 * 2.2 * 0.7cm
Item Weight: 31g / 1.1oz
Package Size: 11.2 * 7.5 * 2.5cm / 4.4 * 3.0 * 1.0in
Package Weight: 59g / 2.1oz

Packing List:
1 * Battery Charger