Ulanzi LM-P40Bi Portable Video Light 40W Bi-color

The Ulanzi L129 LM P40Bi Portable Video Light is a compact 40W bi-color LED light with a built-in 37Wh battery, adjustable 2700K–6500K color temperature, and 1–100% dimming. Designed for portability and powerful output, it delivers professional lighting performance wherever you shoot.

The Ulanzi L129 LM P40Bi Portable Video Light 40W Bi-Color is engineered for creators who need powerful, flexible lighting in a compact and travel-friendly design. Delivering 40W of bright, consistent output, this portable video light illuminates your scene with clarity and precision, making it ideal for video production, content creation, interviews, and on-location shoots.

Designed for ultimate portability, the P40Bi features a built-in 37Wh (7.4V 5000mAh) rechargeable battery, allowing cordless operation without compromising performance. At full brightness, it runs approximately 35 minutes, and up to 1 hour 20 minutes at 50% brightness. Fast charging via USB Type-C with PD support allows a full recharge in approximately 1 hour 40 minutes when using a 65W or higher PD charger. It can also charge and operate simultaneously with a compatible PD charger.

The bi-color range from 2700K to 6500K allows precise adjustment from warm to cool lighting, while 1%–100% dimming ensures complete brightness control. With a high CRI of 96+, the P40Bi delivers natural, vivid color reproduction suitable for professional applications. An LCD screen provides quick and intuitive control over CCT and brightness settings.

Built for reliability, the hollow body design and integrated cooling fan maintain optimal operating temperatures during extended use. The magnetic diffuser offers soft, flattering light instantly, and dual 1/4" mounting points allow flexible attachment to tripods, stands, or other accessories.

Compact, powerful, and easy to use, the Ulanzi P40Bi is ready to support your creativity anywhere.

Key Features

• 40W compact and portable bi-color video light

• Adjustable color temperature: 2700K–6500K

• 1%–100% brightness dimming

• High CRI 96+ for natural color accuracy

• Built-in 37Wh rechargeable battery

• Fast USB-C PD charging (65W or higher recommended)

• LCD screen for easy CCT and brightness control

• Magnetic diffuser for soft lighting

• Dual 1/4" mounting points

• Built-in cooling fan with hollow heat-dissipation design

• Beam angle: 120°