What's in the box:

Andoer NP-F970 to EN-EL15 Fully Decoded Dummy Battery Adapter with DC Couple Connector for Nikon D750 D500 D610 D7100 D7200 D800 D810 D7000 DSLR Camera (Black)

Features:
With this Andoer dummy battery adapter, you can turn NP-F970 battery into a replacement for EN-EL15.
Largely prolong the shooting time of your camera.
With an indicator light, red for low power condition. Comes with 1/4" screw & hot shoe mount, can be mount on camera/camera rig.
Mainly made of high quality aluminum alloy and plastic, strong and durable for long time use.
Suitable for Nikon D750, D500, D610, D7100, D7200, D800, D810, D7000 DSLR cameras.

Specifications:
Brand: Andoer
Main Material: Aluminum alloy and plastic
Type: Fully decoded
Compatibility: For Nikon D750, D500, D610, D7100, D7200, D800, D810, D7000 DSLR cameras
Plug Socket: DC5.5*2.1mm & DC4.0*1.7mm
Output Voltage: 7.4V
Cable Length: 136cm / 53.5in
Item Weight: 125g / 4.4oz
Package Size: 12 * 11.5 * 3cm / 4.7 * 4.5 * 1.2in
Package Weight: 144g / 5.1oz

Package List:
1 * NP-F970 to EN-EL15 Dummy Battery Adapter with 1/4" Screw
1 * 1/4" Hot Shoe Mount