O-ring sealed with spring loaded,1/4″ tripod screw on the bottom.

Material: Poly-carbonate,ABS Plastic,Clear plate glass ,EPDM rubber.

Waterproof camera Housing for Sony RX100 IV,Meikon factory 100% authentic.

Maximum water resistant 40 meters,Ideal for diving at sea,surfing,snorkeling,skiing,yacht or other activities.

Hong Kong MEIKON Digital Technology Co., Ltd. is a professional manufacturer in producing Meikon underwater housings and diving accessories. Any OEM service, welcome very much. Manufactory certificated: ISO9001 and CES and IPx8.