Compatible with - Gopro hero7 Silver and hero / 7 white 2018 which is perfectly compatible.
 
Waterproof housing size: 8.5 * 7.5 * 3.5cm / 3.35 * 2.95 * 1.38inches.
 
Premium Material - Metal parts on screws and buckles are made of stainless steel, which resists rust in seawater. The large flat glass lens and highly transparent material give the image maximum sharpness above and below the water.
 
Waterproof Depth - Using this waterproof housing you can take your action camera out to 45m deep for diving and extreme activities, so you can capture clear images underwater.

Multi-function Case - waterproof, cold-resistant, shock-resistant. It not only protects the action camera under water, but also you can use it while surfing, diving, swimming, selfie, climbing, parachuting, etc.