SmallRig Vlog Kit with Wireless Smartphone Video Monitor

BH #SM4851B • MFR #4851B
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SmallRig Vlog Kit with Wireless Smartphone Video Monitor
Key Features
  • Monitor Mirrors Phone Cameras
  • Clamp for Phone & Included Monitor
  • Monitor Can Magnetically Attach to Phone
  • Wi-Fi Direct Pairing
Give your vlogs and social media content an upgrade by using this Vlog Kit with Wireless Smartphone Video Monitor from SmallRig. When compared to your phone's rear camera system, the selfie camera has the huge advantage of being able to frame shots using the phone's display. The monitor in this kit acts as that screen, mirroring your phone's cameras and letting you finally take advantage of the more powerful rear lenses. Simply mount the included phone clamp on an optional tripod via its standard 1/4"-20 connection and attach the monitor. If you want to shoot handheld without a tripod, the monitor can magnetically attach to the back of compatible phones and cases. However you connect it, you will have up to three hours of use on a full charge.
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SmallRig 4851B Overview

Give your vlogs and social media content an upgrade by using this Vlog Kit with Wireless Smartphone Video Monitor from SmallRig. When compared to your phone's rear camera system, the selfie camera has the huge advantage of being able to frame shots using the phone's display. The monitor in this kit acts as that screen, mirroring your phone's cameras and letting you finally take advantage of the more powerful rear lenses. Simply mount the included phone clamp on an optional tripod via its standard 1/4"-20 connection and attach the monitor. If you want to shoot handheld without a tripod, the monitor can magnetically attach to the back of compatible phones and cases. However you connect it, you will have up to three hours of use on a full charge.

Long-Distance Relationship
While the monitor can be joined to your phone via clamp or magnets, it can also connect and function from a distance. It pairs with your phone using Wi-Fi Direct and has a 32.8' range, so you can frame shots from greater distances for more creative results. Once ready, use the wireless remote to start a video or trigger your phone's shutter to snap a picture.
Make It Better
You can further improve the quality of your pictures and videos by taking advantage of the phone clamp's built-in cold shoe to attach optional accessories, such as a wireless microphone or LED light.

SmallRig 4851B Specs

General
Compatibility
Not Specified by Manufacturer
Phone Clamp Attachment
Support Range: 7.5 to 11.8" / 190 to 300 mm
Display
Panel Type
LCD
Size
Not Specified by Manufacturer
Touchscreen
No
Wireless
Wireless
Wi-Fi
Mobile App Compatible
No
Range
32.8' / 10 m
Battery
Battery Chemistry
Lithium-Ion
Battery Capacity
1500 mAh
Maximum Battery Life
3 Hours
Physical
Mounting
1x 1/4"-20
1x Cold Shoe
Material of Construction
Aluminum Alloy, Plastic
Dimensions
4.2 x 2.7 x 0.6" / 106 x 69 x 14 mm (Monitor)
Weight
4.6 oz / 129 g (Monitor)
7.1 oz / 202 g (Phone Clamp)
Packaging Info
Package Weight
1.03 lb
Box Dimensions (LxWxH)
7.8 x 5.2 x 1.4"

SmallRig 4851B Reviews

Broke 1st Time Trying It On XMAS

By Brooke
Rated 1 out of 5
Date: 2025-12-28

Opened the box and i go to put the screen onto the mount and when i go to take the screen off the mount. It came off alright, just left the whole magnet part on the tripod still. 🤦‍♂️ I live in Long Island, so thought I would just return it in person but, I wanted to report it.

Meh Because of A Big Design Flaw

By Chris
Rated 3 out of 5
Date: 2025-09-06

Meh is about the best I can say about this, and that's largely due to one really dumb design flaw. The build quality of the monitor itself seems good, and it's also very easy to use. The magnet on the phone holder is incredibly strong, but the holder is so flimsy, it can only be days away from the holder breaking when trying to remove the monitor. But all that's okay, because I didn't buy this monitor for its cheap accessories. The big design flaw is that the monitor is upside down. The monitor has a ¼ thread for use on a tripod, it also has magsafe circle on the back off to one side. If you use either of those mounts in a normal fashion, and use your phone normally, the image on the monitor is upside down. You can double-click the power button on the monitor and it will flip the image so it's right-side up… but then the image is backwards on the monitor. If you're going to use the ¼ thread mount on a tripod or something, in order to see your image normally you'll need to physically mount the monitor upside down. Really poor technical design there.

See any errors on this page?

Can this device be used by connecting it to an ...

Can this device be used by connecting it to an iPhone via USB-C, instead of over a wireless connection?
Asked by: Andrew
The SmallRig Vlog Kit with Wireless Smartphone Video Monitor, B&H # SM4851B, can only be used wirelessly; it does not support being used over USB-C.
Answered by: Miguel M
Date published: 2025-07-24

Can this SmallRig device do this wireless video ...

Can this SmallRig device do this wireless video using a Apple iPad via Bluetooth as if it were an iPhone..?
Asked by: Robert
The Smallrig monitor starts with a QR code on screen that, when scanned with the iPhone camera, initiates a Wi-Fi connection between the iPhone and monitor. You then swipe diagonally on the iPhone to engage the Control Center where you open screen monitoring. You should be able to achieve the same connection with an iPad.
Answered by: Robert
Date published: 2026-04-15
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