Red Filter:
More than 5 meters underwater video,The red filter is a must-have to restore red that is absorbed by water in natural light.Commonly used in large blue water,with less algae and good water conditions,mostly used in sea water.

Magneta Filter:
More than 5 meters underwater video,The magenta filter is a must-have to restore the natural light due to the greenish scene caused by algae.Commonly used in scenes where the water quality is greenish, there are many algae plants, and the water quality is good.

Yellow Filter:
Night underwater video,The yellow filter is a must-have to adjust the searchlight area color.

Fit Model: for GoPro Hero 7 Black / Hero (2018) / GoPro Hero 5 Black / GoPro Hero 6 Black
Lens Filter: Red + Magenta + Yellow
Frame Material: Aviation Aluminum Alloy; TPU&PC
Lens Material: Optical Glass; Multi-layer Coating
Frame: Ultra-thin Frame

Package Included:
1x Red Filter
1x Magenta Filter
1x Yellow Filter
The Housing is NOT included

How to use:
You have to remove the lens on the camera and put the filter lens on it instead.
Remove lens with counterclockwise twist 45-degrees, then reverse procedure to put on filter lens.
Replace with filter lens rotating 45-degrees clockwise.

Disassembly
1. Twist lens counterclockwise as far as it can be pull out.
2. Take off the lens outwards(Pulling lens slightly is required when Twisting the lens left).

Installation
1. Prominent cylinder with waterproof ring on the lens should be aimed camera solt.
2. Turn the lens right, two silver steel needles on the left and right side should be stuck on the camera(Two silver steel needles on the lens should be staggered with the slots on the left and right side of front lens).