About this item Compatibility: Compatible with GoPro Hero 3, Hero 3+, Hero 4 Black and Silver action cameras perfectly. Waterproof and Rustproof: Duo to the solid shell, tight buckle and waterproof sea design, this waterproof housing case offers water resistance up to 131 ft(40M); The buttons, thumbscrew and other metal parts are made of 316 stainless steel, which ensure antirust in sea water, durable for long term use. 3 Filters Included : It includes red, light red and magenta filter. RED FILTER can be used to scuba diving at the depth of 12-85 feet and color correction in blue water or tropical seawater; LIGHT RED FILTER can be used to snorkel at depth of 2-15 feet and color correction in blue water or clear freshwater; MAGENTA FILTER is a good choice for green water such as fresh water lakes and reservoirs. It will yield the best results from 8 to 75 feet. Made of Superior Materials: The waterproof housing is made of solid transparent , the lens is made of high transmission flat gl (light transmission rate of 98%) which delivers maximum image and video sharpness underwater. Not like other items on market, the lens border is made of aluminum instead of which ensure waterproof in deep water. Wide Range of Use: The waterproof housing filters set not only protect your GoPro Hero 3/3+/4 camera from dust, scratches and shocks, but also ideal for diving, snorkeling, surfing, skiing, drifting, diving and other extreme activities.