What's in the box:

Andoer Square Lens Filter Protector Kit Set(ND2/ND4/ND8/ND16) for GoPro Hero4 Session w/ Filter Mounting Frame Holder (Black Red)

This ND filter set is suitable for GoPro Hero4 Session, great for shooting moving figures and outdoor scenes in strong sunlight.

Features:
4 filters(ND2/ND4/ND8/ND16) in one pack, suitable for GoPro Hero4 Session.
Reduce light intensity, avoid overexposure and slow down shutter speed.
Highly permeable ND filters, ensure high transmittance.
Comes with a filter mounting frame for installation, a lanyard for hooking, and a piece of cleaning cloth for wiping.

Specifications:
Brand: Andoer
Filter Type: ND2 / ND4 / ND8 / ND16
Compatible Camera Type: for GoPro Hero4 Session
Filter Material: Highly Permeable Resin
Filter Mounting Frame Material: PC
Item Size: 3.7 * 3.7 * 0.2cm / 1.5 * 1.5 * 0.1in
Item Weight: 2.5g / 0.1oz
Package Size: 7.5 * 7.5 * 4cm / 3 * 3 * 1.5in
Package Weight: 38g / 1.3oz

Package List:
1 * ND2 Filter
1 * ND4 Filter
1 * ND8 Filter
1 * ND16 Filter
1 * Filter Mounting Frame
1 * Lanyard
1 * Cleaning Cloth

Note:
Camera is not included.