






🌟 Capture the Depths, Command the Surface — Your Osmo’s Ultimate Armor!
The KETOPKIN Waterproof Case is a precision-engineered protective housing compatible with DJI Osmo Action 3, 4, and 5 Pro cameras. Crafted from impact-resistant PC, 316 stainless steel, and tempered glass, it guarantees waterproof performance up to 45 meters (148 feet) with 98% light transmission for crystal-clear underwater footage. Featuring quick-release cold shoe mounts and easy-to-operate external buttons, this case is designed for professional-grade adventure filming across diving, surfing, skiing, and cycling activities.







| ASIN | B0CYSZVMPT |
| Best Sellers Rank | #53 in Underwater Photography Housings |
| Customer Reviews | 4.3 4.3 out of 5 stars (30) |
| Date First Available | March 22, 2024 |
| Item Weight | 3.84 ounces |
| Item model number | FLW389 |
| Manufacturer | KETOPKIN |
| Product Dimensions | 3.74 x 3.44 x 1.94 inches |
A**S
Great for mtb
Crashed many times on this camera on my mountainbike, my dji action camera not a single scratch
E**A
Great waterproof case worked perfectly underwater and such a good price
I bought this case for my DJI Action 3 camera to use during vacation, and I was honestly impressed by how well it performed underwater. The seal is solid, and not a single drop of water got in, even after extended time in the pool and ocean. All the buttons remained easy to press, and the video quality through the case was clear with no fogging or distortion. It really felt secure and reliable. The build quality is surprisingly good, and it honestly holds up just as well as more expensive name-brand cases. For the price, it’s an excellent option if you want solid waterproof protection without overspending. Highly recommended if you’re planning to film at the beach, in the pool, or during any underwater activity. It does exactly what it promises, and does it well.
A**J
Works well
Works well, fits perfect
E**9
Worthy of purchase
It worked perfectly for snorkeling and swimming videos.
S**Y
great videos
took a little to set up with my phone, works great, good quality videos
J**.
This Fogs Up
This case constantly fogged and so many of my pictures were ruined. It was so disappointing and I ended up having to use my old camera on my dive trip.
L**E
Better than the official DJI dive case
The official DJI dive case I got didn't have any sort of locking mechanism on the latch. So if you bumped it hard underwater it could open and flood the camera. This case is better and has a lock that only opens when you want it to open.
M**Y
Fair for the price, water test results, and car ride view
Pros: -Affordable -Easy to install -Water proof Video Timeline: 1:24 - Car mount view with -1 db audio; raw audio. 0:20 - Water test @ 4-6 inch, For the last half of time-lapse. 0:40 - Water test @ 4-6 inch, Results. Overall: This review takes price point in consideration to be as fair as possible. As of right now of owning the case for about 1 week, I haven't done anything crazy with it like drop test but I will say that I did drop it from about waist high or 4 feet and the clip (pinch clip) that holds the black top piece unbuckled. The good thing is that It didn't break; just had to push the pins back together so I am not going to knock a point for that one. I did a waterproof test (before throwing my Action 5 cam inside) with a dry towel and some bolts. This was submerged in about 4-6 inches of water for 1 hour. I do not intend to go swimming with this case, therefore, did not do more testing. It came out well and the towel only got wet because of my hand retrieving the case in water. The action 5 fits in the case and isn't hard to get out. The gaskets seem good and did a good job holding out of water. My only concern is that since its plastic, the part where the mounting screws into may snap the plastic. I am pretty sure when I tightened it it was about 25ft/lbs of mounting pressure, enough to keep it steady but not enough to crack the plastic. All said and done, its decent and good for the price if you are on a low-budget. I would recommend upgrading to something with a metal frame to really protect your action cam which I am going to upgrade. This one seems like its good for small stuff like bike rides, or anything that isnt going to be dropping from 10 ft or below.
R**M
I like it and it fits well!
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