BOYA BY-DM20 Dual-Channel Recording Kit and can be used to

and can be used to attach your GoPro to a backwards baseball cap or other 3mm to 10mm thick object

A Hi-Torque thumbscrew comes included for attaching your HERO housing or frame

This GoPro Screen Protector Kit contains 5 screen protector films for both the rear touchscreen and the front LCD displays on the HERO5/6/7 Black

Record properly color-balanced footage when diving down with the Super Suit housing by attaching the GoPro Magenta Dive Filter for HERO5/6/7 Black with the optional Super Suit housing

Use as camera handgrip

BOYA BY-DM20 Dual-Channel Recording Kit and can be used toBOYA BY DM20 is a multi function recording kit with 2 mic in line in audio inputs and 1 audio output. Its a professional sound solution for iOS devices, Type C Android devices and Laptop. It can be used in a wide range applications include: interview, news production, ENG EFP, film production, music recording, commercial and educational activities etc.