What's in the box:

Andoer D-Tap to LP-E6 Fully Decoded Dummy Battery Adapter 36" Straight Power Adapter Cable DC Coupler DR-E6 with Reverse Polarity Protection for Canon 5D II/III/IV 5DSR 6D 6DII 60D 70D 80D 7D 7DII (Black)

Features:
Connects any battery / battery mount with D-tap female connector to any camera / monitor designed to be powered by LP-E6 battery.
Cable Length: 92cm (36") - Straight.
Built-in power conditioner for voltage regulation (14.4V or 12V power source), with reverse polarity protection and short-circuit protection.
High power output, suitable for cameras, monitors and LED lights. Largely prolong the working time of them.
Can prolong the usage time for Zacuto EVF when use the dummy battery adapter with external battery.

Specifications:
Brand: Andoer
Model: DR-E6
Compatible Camera Models: For Canon 5D II/III/IV, 5DSR, 6D, 6DII, 60D, 70D, 80D, 7D, 7DII DSLR cameras
Cable Length: 92cm / 36in
Item Weight: 40g / 1.4oz
Package Size: 10 * 9.6 * 2.5cm / 3.9 * 3.8 * 1in
Package Weight: 45g / 1.6oz

Package List:
1 * Andoer D-Tap to LP-E6 Dummy Battery Adapter