CameraPlus - 40M / 130ft Waterproof Underwater Camera Housing Diving Case for Sony RX100 IV RX100 M4 with Accurate Alarm Buzzer Equipment And 1/4 tripod connector Suitable for Sony RX100 IV / M4 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 Equipped with two fiber-optic cable sockets and 1/4" tripod connectors for diving light mounting system Accessory lenses or filters with M67 screw mount can be fitted on the port,Ideal for diving, surfing, snorkeling, skiing, yacht or other activities With accurate Alarm Buzzer equipment,The alarm with raise up if any water get into the case,make your camera well protection