SmallRig Phone Cage Kit 4121 – Universal Smartphone Video Rig

FULL DESCRIPTION

The SmallRig Phone Cage Kit 4121, also known as the All-in-One Video Kit Basic, is a professional and compact solution designed for videographers, vloggers, streamers, and content creators looking to turn their smartphone into a full-featured video production system.

Compatible with most smartphones on the market, the kit includes a durable aluminum cage, ergonomic side handle, dual cold shoe mounts, and multiple 1/4"-20 threads—delivering high flexibility and solid support during handheld shooting.

Thanks to its modular, universal design, the Phone Cage 4121 allows seamless integration of external microphones, LED lights, tripods, and other video accessories, ensuring cinematic video quality anywhere you go. Ideal for interviews, travel vlogs, social media streaming, and content creation on the go.

KEY FEATURES

Universal Compatibility

This kit is compatible with most smartphones ranging from 62mm to 86mm in width. The adjustable locking system ensures a secure grip without blocking any phone buttons.

Ready for Professional Video

Equipped with two cold shoe mounts, the cage allows for simultaneous mounting of a microphone and LED light—perfect for vlogging, mobile journalism, or live streaming setups.

Ergonomic Side Handle

The included side handle ensures better stability and comfort for handheld shooting. It’s adjustable for both left- and right-handed users, improving grip and reducing hand fatigue.

Flexible Mounting Options

Multiple 1/4"-20 threaded holes on all sides make it easy to attach tripods, monopods, magic arms, and more.

Modular and Expandable Design

Made of CNC-machined aluminum alloy, the cage is lightweight yet durable, offering full customization for any mobile filmmaking workflow.

Full Access and Quick Setup

The open design provides full access to all smartphone controls, while the tool-free assembly ensures quick installation and seamless operation.

TECHNICAL SPECIFICATIONS

• Product Name: SmallRig Phone Cage Kit 4121 (All-in-One Video Kit Basic)
• Materials: Aluminum alloy, silicone rubber
• Smartphone Compatibility: 62mm to 86mm wide phones
• Cold Shoe Mounts: 2 (top of cage)
• Threaded Mounts: Multiple 1/4"-20 threads (sides, bottom, handle)
• Handle: Detachable and adjustable (left or right side)
• Total Weight: Approx. 292 g
• Dimensions: 219.5 x 123.5 x 37 mm
• Smartphone Control Access: Full access to buttons and ports
• Mount Compatibility: Supports tripods, monopods, articulating arms

PACKAGE CONTENTS

• 1x Universal Smartphone Video Cage
• 1x Side Handle (adjustable)
• 2x Locking Screws for Handle
• 1x Allen Wrench
• 1x User Manual

FAQ (Frequently Asked Questions)

Can I use it with my phone case?

Thin cases might fit, but it's recommended to remove bulky cases for a secure grip and optimal performance.

Can I mount it on a tripod?

Yes, it features multiple 1/4"-20 threaded holes compatible with most standard tripods.

Does it support both horizontal and vertical shooting?

Absolutely. The cage design allows for easy switching between horizontal and vertical orientations.