Ulanzi 40WRGB 40W RGB Portable Video Light

ULANZI LIGHTING

Ulanzi is a photography and content creation accessories brand known for developing practical lighting, mounting, storage, and mobile production solutions for creators, photographers, videographers, and filmmakers. Designed for portable and flexible shooting setups, Ulanzi lighting products support studio, travel, livestreaming, product photography, and on-location video production workflows.

ABOUT THE PRODUCT

The Ulanzi 40WRGB 40W RGB Portable Video Light is a compact full-colour COB LED fill light designed for creators who need strong output, RGB control, and portable lighting flexibility. With constant 40W output and up to 50W in overclock mode, the 40WRGB supports handheld shooting, desktop setups, light stand mounting, and mobile video production.

The light offers full RGB colour control from 0 to 359 , adjustable colour temperature from 2500K to 6500K, and brightness control from 1% to 100% in normal mode or up to 125% in overclock mode. With CRI 95 and TLCI 96+, it supports accurate colour rendering for photography, video, product content, interviews, livestreaming, and creative lighting setups.

A built-in 14.8V 3400mAh battery allows cordless use, with runtime from approximately 50 minutes at maximum 50W output to 180 minutes at minimum brightness. The light supports DC and USB Type-C charging with 65W PD fast charging compatibility. A reflector and diffusion dome are included, attaching through the mini Bowens mount to help shape and soften the light.

KEY FEATURES

Full RGB Colour Control: Supports 0 to 359 colour adjustment for creative lighting and personalised colour setups.

40W Constant Output: Compact COB LED light delivers reliable 40W output for photography and video production.

50W Overclock Mode: Overclocking mode increases output up to 50W for higher brightness when needed.

Bi-Colour CCT Control: Adjustable 2500K to 6500K colour temperature supports warm and cool lighting setups.

High Colour Accuracy: CRI 95 and TLCI 96+ support natural and accurate colour reproduction.

Stepless Dimming: Brightness adjusts from 1% to 100% in normal mode and up to 125% in overclock mode.

Built-In Rechargeable Battery: 14.8V 3400mAh battery supports cordless operation for mobile shooting.

65W PD Fast Charging: DC and Type-C ports support fast charging with compatible PD power sources.

20 Customisable Lighting Effects: Includes police car, ambulance, fire engine, lightning, fireworks, TV, candle, party, bad bulb, pulsing, strobe, RGB strobe, paparazzi, emergency, headlight beam, red flash, green flash, blue flash, HSI slow, and HSI fast.

Mini Bowens Mount: Supports included reflector and diffusion dome for light shaping and softening.

Palm-Sized Portable Design: Compact 490g body supports handheld use and easy travel carry.

BEST USE CASES

Creative Video Production: RGB colour and FX modes support cinematic lighting effects and visual storytelling.

Product Photography: Bi-colour and RGB control help create clean, colourful, or styled product lighting.

Livestreaming: Portable light supports desk setups, streaming, gaming, and online content creation.

Travel Content Creation: Lightweight cube design supports mobile and on-location shoots.

Portrait Lighting: Diffusion dome helps soften light for face and subject lighting.

Music Videos And Social Content: Full-colour control and 20 lighting effects support dynamic visual scenes.

Outdoor Shooting: Cordless battery operation supports location use without constant power access.

CORE SPECIFICATIONS

Model Number: 40WRGB

Ulanzi SKU: L024

Product Type: RGB Portable COB Video Light

Light Source: Bi-Colour COB Lamp Bead, RGB COB Lamp Bead

Colour Output: Full RGB 0 to 359

Power Output: 40W Constant / Up to 50W in Overclock Mode

Brightness: 9100 Lux at 0.5m in Overclock Mode with Reflector

Colour Temperature: 2500K to 6500K

CRI: 95

TLCI: 96+

Beam Angle: 120

Dimming Range: 1% to 100% Normal Mode / Up to 125% Overclock Mode

Battery: 14.8V 3400mAh 50.3Wh

Runtime at 50W Maximum Brightness: 50 Minutes

Runtime at 40W Maximum Brightness: 70 Minutes

Runtime at Minimum Brightness: 180 Minutes

Charging Port: DC 19V 3.4A / Type-C PD 65W

Charging Time: Approximately 3 Hours

Light Effects: 20 Preset Effects

Mounting Thread: 1/4"-20 Threaded Hole

Modifier Mount: Mini Bowens Mount

Colour: Black

PRODUCT WEIGHT & DIMENSIONS

Dimensions Without Reflector: 10.5cm x 8.5cm x 8.5cm

Weight Without Reflector: 490g

Battery Capacity: 3400mAh

HOW TO USE

Charge the light using a compatible DC or USB Type-C PD power source. Power on the unit, adjust colour temperature, RGB colour, brightness, or lighting effects using the control knobs, and select normal or overclock mode depending on the required output. Attach the reflector or diffusion dome via the mini Bowens mount when directional or softer lighting is needed. Mount the light using the 1/4"-20 threaded hole or use it handheld.

Note

Charger and DC power adapter are not included and must be purchased separately. Ulanzi 40W lights use HT005 power adapter, Ulanzi item L075.

What's in the box
1 x Ulanzi 40WRGB 40W RGB Portable Video Light
1 x Reflector
1 x Diffusion Dome
1 x Storage Bag