Seafrogs 40M/130FT Underwater Camera Housing for A7R IV Compatible with 28-70mm 16-35mm F4 24-70mm F4 24mm F1.4 GM 50mm F1.8 85mm F1.8 Lens-Black

Features: COMPATIBLE: This Underwater housing is specially designed for Sony A7R IV. Easily operate all Camera controls underwater with an external button ●The waterproof cases are not only for diving, with these housings, you no longer have to worry about your camera if it is raining, snowy or dusty Vacuum Pump System port , work with Seafrogs VPS-100 Pre-Dive vacuum leak check system Built-in leak detection sensor Water resistant up to 40meters (130fts waterproof/Shockproof) 👉 Please kindly note that Silicone Grease (Purchase separately) will help O ring Well seal this underwater case. ( Please contact seller If you are not sure what kind of Silicone Grease will work)