This underwater housing can keep your digital camera safe and dry when take photos underwater. You can take all exciting and perfect moments photos and show it to other people via the underwater camera cover. The waterproof cases are not only for divers, with these housings , you no longer have to worry about your camera if it is raining, snowy or dusty. Pls use the case as per the button which is available on it and accordingly to the Manual. Attention before use: Check whether good of performance first. Also check whether have sand and dust inside of case. Must close the waterproof case and put it into underwater at least 200mm deep with 5 Minutes on condition of disassemble but waterproof oil with camera. Make sure there have no water inside. Then put your camera into waterproof case. Precautionary Measure: Use a large number of fresh water (running water or drinking water) to thoroughly clean the outside of the waterproof shell. Higher than 40 ° C water may not use, because it will damage waterproof shell. Need longer cleaning time if ever used waterproof case. Should put into water for several hours. Please sure whole case into water, include Safety lock device. In order to Avoid Scratch equipment by sand and dirt, pls choose soft fabric or thin tissue paper to Gently dry water. Vestigital seawater will lead to corrosion metal parts equipment, it will affect button, two hinges and safety lock device Use soft and clean fabric to clean equipment inside. Package Includes: 1 x waterproof case for Sony A7 A7R A7S 28-70mmm Camera 1 x Cloth 1 x Neck strip 1 x Hand strip 1 x O-ring 1 x Water sealing lubricant grease 1 x English manual 1 x Original package