CamKix Diving Lens Filter Kit Compatible with GoPro Hero 4, Hero+, Hero and 3+ - fits Standard Waterproof Housing - Enhances Colors for Underwater Video and Photography - Includes 5 Filters INSTANTLY BOOSTS YOUR UNDERWATER FOOTAGE: This professional diving lens filter kit can be attached to the standard waterproof housing of your GoPro HERO 3+ or HERO 4 camera. It enhances colors and improves contrast in various underwater video and photography conditions. SWITCHABLE RED, MAGENTA AND YELLOW FILTERS: The RED (SWCY) filters are ideal for tropical blue salt water or clear fresh water. Filter excess of blue and boost red and yellow. 3 RED filters included for various depths: 5-20 feet, 20-50 feet and 50+ feet. MAGENTA filter is for fresh or salt green water (GR), due to a high concentration of algae in the water. Used at depths between 20 to 130 feet. YELLOW filter is ideal for shooting pictures or video at night. Used at depths up to 130 feet. EASY 'CLIP & SLIP' SYSTEM: Simply clip the filter holder onto the waterproof housing of your GoPro HERO 3+ or HERO 4 camera and slide in the filter that you want to use. Each filter comes with its own protective plastic sleeve to prevent any scratches. DESIGNED FOR GOPRO HERO 3+ AND 4 CAMERAS: This lens filter kit is designed for the the standard waterproof housing of your GoPro HERO 3+ or HERO 4 camera (standard waterproof housing sold separately). COMPLETE KIT: This package contains a clip-on filter holder, 5 filters for various underwater conditions, 5 filter storage bags, a tether, a cleaning cloth and a quick start guide.