Features:
MEIKON SY-16 underwater camera housing for Sony RX100 IV is made from corrosion resistant polycarbonate PC material, waterproof to 40m/130 feet.
Accessory lenses or filters with M67 screw mount can be fitted on the port.
Equipped with two fiber-optic cable sockets and 1/4" tripod connectors for diving light mounting system.
A standard 1/4" tripod socket underneath for mounting the camera on a tripod or other type of 1/4" mount, and comes complete with neck strap, wrist strap, o-ring.
The buttons are in all the right places and it is easy to handle under the sea.
Springs was tested via testing force under the limitation of 40 meters.

Specifications:
Brand: MEIKON
Model: SY-16
Color: Black
Maximum Waterproof Depth: 40m / 130ft (IPX8)
Suitable Camera: For Sony RX100 IV
Filter Diameter: 55mm
Material: PC, clear plate glass, stainless steel, EPDM rubber
Waterproofing: Waterproof seal
Camera Operation Temperature: 0-40℃ (32-104℉)
Item Size: 15 * 13 * 10.5cm / 5.9 * 5.1 * 4.1in
Item Weight: 562g / 19.8oz
Package Size: 18.5 * 15 * 14.3cm / 7.3 * 5.9 * 5.6in
Package Weight: 846g / 29.9oz

Package List:
1 * Waterproof camera case
1 * O-ring gasket
1 * Neck strap
1 * Wrist strap
1 * Cleaning cloth
1 * Silicone grease for the waterproof seal
1 * User Manual(English & Chinese)

Note:
Please test without your camera underwater at the first time. Please confirm its leakproofness before use.