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🔒 Hide cables, protect gear, and mount like a pro — your security setup’s sleek secret weapon!
The POLARDAYS Universal Junction Box is a compact, IP54-rated plastic mount designed for indoor/outdoor use with bullet and dome security cameras. It features top and bottom cable entry points for discreet wiring, universal screw-in compatibility with popular brands like Arlo and Reolink, and a polished white finish that complements any security installation. Ideal for professionals seeking a clean, weatherproof, and easy-to-install junction solution.








| ASIN | B0BTP5K939 |
| Brand | POLARDAYS |
| Brand Name | POLARDAYS |
| Colour | White |
| Customer Reviews | 3.9 out of 5 stars 135 Reviews |
| Finish Type | Polished |
| Included Components | Juntion box |
| Installation Type | Screw-In |
| Item Weight | 0.7 Kilograms |
| Manufacturer | POLARDAYS |
| Material | Plastic |
| Material Type | Plastic |
| Model Number | US-D-05 |
| Part Number | US-D-05 |
| Specification Met | IP54 |
| Style | Compact |
| Style Name | Compact |
G**N
not suitable fot reolink
holes don't line up to reolink security camera
C**P
Works with Reolink turret cameras, even though it isn’t designed to
Needed some conduit boxes to go along with the installation of several Reolink 4K Turret cameras [RLC-820A] (not bullets which is what these are designed for). I did not pay attention to the compatibility description until they arrived and I attempted to install, but thankfully they still ended up working out with a small amount of effort. These are cheaper, smaller in size, and plastic vs metal as opposed to the proper box (Reolink D20) but will fit if you offset screws at an angle before securing the camera. Once that is complete, moderate force to the screws secured the camera sub-base to the lid of the box. It also includes gaskets that can be slit to allow the wiring through and maintain a moderate amount of ingress protection. These are not fully sealed like the metal ones are but I’m installing under eaves and not *that* concerned. The only major issue I ran into was the main cable gland of the cameras not fitting into the box (too long). I opted not to use it at all and instead dielectric greased the Ethernet connector for similar moisture protection. When installed, these boxes are fairly cramped for wiring space, but when coiled correctly it fits with no kinking whatsoever. The top plate slides off of the box about ½” and lifts up with a set screw securing it together.
J**H
Not compatible and not waterproof
This plastic junction box doesn’t fit my camera at all, so installation was impossible. It also has no waterproof gasket or seal, so it can’t actually be used outdoors. Poor design and not what the listing suggests. Definitely not suitable for outdoor camera use.
T**H
Great for smaller cameras
Does the job for Ubiquiti G5 Turret Cameras or any other with a small base. Great price compared to the $49 official junction box on Ubiquiti’s website. Would not trust the water resistance but it is not fully exposed in my application.
R**M
Work great, will purchase again.
It’s really done it’s job, perfect match with the existing round Non-Metallic Weatherproof Box, and help me to finish the dome’s camera installation quick.
Trustpilot
1 month ago
3 weeks ago