What's in the box:

NP-F750 Dummy Battery DC Coupler Connector Spring Cable Battery Replacement for Monitor External Power Supply Compatible with ATOMOS Viltrox Aitus Monitor (Standard)

Features:
Dummy battery DC coupler, as a practical power supply adapter for cameras.
Designed for ATOMOS, Viltrox and Aitus monitors that powered by NP-F750 battery.
Largely prolong camera shooting hours or devices service time.
Fully decoded, plug to use directly.
Connector: 5.5 * 2.5mm, spring cable, flexible and convenient to use.

Specifications:
Main Material: Plastic
Cable Length: 40cm/ 15.75in(natural spring cable), stretch to 1.5m/ 59.06in
Output Power: 7.2V
Input Power: 7.2-8.4V
Package Size: 10 * 8 * 8cm / 3.94 * 3.15 * 3.15in
Package Weight: 100g / 3.53oz

Packing List:
1 * Dummy Battery