USB port, plug and play, very convenient.Need 5V 2A power bank, mobile power or charging plug (not included) for power supply, largely prolong the time of your camera.Suitable for :

Nikon D500 D610 D800 D810A D850 D7000 D7200 D7500 Z5 Z6 Z7 II

cameras.Adopts multi-protection technology, such as short circuit protection, over-voltage protection and over-current protection, which ensures the absolute safety during use.Cable length is up to 1.5m. Long enough, very convenient to put your own power bank or mobile power in your pocket or bag, or at somewhere else.Model: -E8Power Supply: Power bank, mobile power and charging plug (not included)Protection: Short circuit protection, over-voltage protection and over-current protectionMaterial: ABSSize: Line length: 1.5mPackage Contents:1 * -E8 Dummy Battery1 * USB data CableNote:Please use power bank/ mobile power for power supply, if not, the item can not work normally.Only the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.