Latest 40M/130ft Waterproof Meikon RX100 M4 IV Casing for Sony Camera Construction This MK-SY-17 housing is specially designed for Sony RX100 IV Mark 4 camera. It is compact and light-weight. The rubberized polycarbonate construction makes the case durable and resistant to corrosion. Special polycarbonate blends allow us to create an extremely strong and lightweight enclosure. Unlike aluminum, polycarbonate is fundamentally corrosion-resistant for easy maintenance year after year. A moisture alarm (Light & Audio) is included in the housing as an extra feature, in order to avoid any potential damage to your housing due to wrong closing. The port is made of integrated flat glass with an anti-reflection coating on both sides. And it has a depth rating of 130' (40 m). Simply drop the camera in and close the housing via the snap closure. Viewing The camera's large, super-bright LCD screen is viewable through the back of the housing. Controls are put right at your fingertips for all important camera functions. Mounting The housing features two 1/4"-20 tripod mounting holes. It also comes configured with a cold shoe for mounting accessories. There is also an external strobe connector.