Introduction
The Ulanzi Ultra Bright LED Video Light W49 is a compact and versatile lighting solution designed for various photography and videography needs. Featuring 49 dimmable LED beads, it provides stable and adjustable illumination for DSLR cameras, camcorders, gimbals, and smartphones. Its lightweight design and multiple cold shoe mounts offer enhanced flexibility for creative setups.
Product Features
- 3 Shoe Mounts: Supports interlocking multiple video lights for enhanced brightness or attaching accessories like microphones.
- Universal Compatibility: Fits most DSLR cameras, camcorders, gimbals (e.g., DJI Ronin S, Zhiyun WEEBILL Smooth 4), and smartphones with appropriate mounts or adapters. Ideal for macrophotography, product shooting, and video recording.
- Lightweight & Dimmable: Portable design allows for easy transport. Adjustable brightness to achieve desired lighting effects.
- Stable Color Temperature: Maintains consistent color temperature even after extended use.
- Long Life Span: LEDs offer an extended operational life of up to 50,000 hours.
Setup
1. Battery Installation
The Ulanzi W49 LED Video Light operates on two AA batteries (not included). To install:
- Locate the battery compartment cover on the back of the unit.
- Slide the cover open.
- Insert two AA batteries, ensuring correct polarity (+/-) as indicated inside the compartment.
- Close the battery compartment cover securely.

2. Mounting the Light
The W49 LED Video Light features a standard cold shoe mount and a 1/4-inch screw hole for versatile mounting options:
- On-Camera Mounting: Slide the cold shoe base of the light into your camera's hot shoe or cold shoe mount. Tighten the locking wheel to secure it.
- Tripod/Stand Mounting: The 1/4-inch screw hole at the bottom allows direct attachment to tripods, light stands, or other accessories with a compatible screw.
- Interlocking Multiple Lights: Utilize the three additional cold shoe grooves on the sides and top of the unit to connect multiple W49 lights together, creating a larger light panel.

Operating Instructions
1. Power On/Off and Brightness Adjustment
The Ulanzi W49 LED Video Light features a simple rotary dial for power and brightness control:
- To turn the light ON, rotate the power dial (marked with a power symbol) clockwise.
- Continue rotating the dial clockwise to increase brightness.
- Rotate the dial counter-clockwise to decrease brightness.
- To turn the light OFF, rotate the dial counter-clockwise until it clicks into the off position.

2. Using Multiple Lights
For enhanced illumination or broader coverage, multiple Ulanzi W49 lights can be interlocked using their integrated cold shoe mounts. This allows for a modular lighting setup tailored to your specific needs.

Maintenance
- Keep the light clean by wiping it with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
- Remove batteries if the light will not be used for an extended period to prevent leakage and damage.
- Store the light in a cool, dry place away from direct sunlight and extreme temperatures.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Light does not turn on. |
|
|
| Light is too dim or too bright. | Brightness level needs adjustment. | Rotate the power dial to adjust brightness to the desired level. |
| Light flickers. | Low battery power. | Replace batteries with fresh ones. |
Specifications
| Specification | Detail |
|---|---|
| Brand | ULANZI |
| Model Number | W49 |
| Item Weight | 91 Grams |
| Product Dimensions | 3.94"L x 1.97"W x 3.94"H |
| Battery Life | Up to 50,000 Hours (LED lifespan) |
| Power Source | 2x AA Batteries (not included) |
| Flash Modes Description | Adjustable brightness & color temperature (fixed color temperature for W49 model, brightness adjustable) |
| Connectivity Technology | USB (for charging, if applicable to specific variant, W49 uses AA batteries) |
| Compatible Devices | DSLR cameras, camcorders, gimbals (e.g., DJI Ronin S, Zhiyun WEEBILL Smooth 4), smartphones (with appropriate mounts or adapters) |
Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the official ULANZI website or contact their customer service directly. Keep your purchase receipt as proof of purchase for any warranty claims.
Official ULANZI Store: Visit the ULANZI Store on Amazon
Official Product Videos
Ulanzi Light Review by Earl Hall
Video: An Amazon Influencer provides a review of the Ulanzi Mini LED Video Light, highlighting its features and benefits for content creation. The video demonstrates the light's brightness and its cold shoe mounts for attaching accessories.
Ulanzi Ultra Bright LED Video Light Bakaz Review
Video: A detailed unboxing and review of the Ulanzi W49 LED Video Light, showcasing its compact size, battery installation, and adjustable brightness. The reviewer demonstrates the light's output and discusses its practical uses.
Tiny but Mighty Video Light Review
Video: A user review emphasizing the compact size and powerful illumination of the Ulanzi W49 LED Video Light. The video demonstrates the light's brightness adjustment and its suitability for various shooting conditions.