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Power in Your Palm
Engineered for ultimate portability, this light redefines convenience. Its compact build allows easy one-handed operation, empowering you to set up and adjust effortlessly, no matter where inspiration strikes.
-34mm

40W to Illuminate Your Genius
Feel the power of 40W as it floods your scene with unmatched brightness, ensuring every detail is illuminated with stunning clarity and precision. Illuminate your creativity like never before!
- 14000Lux*6500K@100%,0.3m
*Data from Ulanzi labs, the brightness, CCT, and power of different lights may be slightly different.

Charge and Go—No Cords, No Limits
Power through long shoots with a 37Wh built-in battery and Type-C port supporting PD fast charging. Enjoy seamless, uninterrupted performance that keeps you focused and in the zone, from start to finish.
- 37Wh
- DIM at 100%: ≈35min
- DIM at 50%:≈1h20min
*Charging Time: ≈1h40min (with a 65W or higher PD charger);For simultaneous charging and use, please use a PD charger with a 65W or higher output.
Bi-Color or RGB, Your Light, Your Way
- Pick Bi-Color for warm-to-cool precision or RGB for bold, vibrant colors. Whatever your task, there’s a perfect match for you.
- Easily adjust from 2700K to 6500K with 5 preset modes and DIM from 1%-100% for perfect lighting every time.
- Experience lifelike lighting with a CRI 96+, delivering vibrant and natural colors.
Easy and convenient to operate.
- Quick and easy adjustments with the LCD display, giving you full control at a glance.
- Fine-tune both CCT and DIM settings for perfect lighting precision.

Stay Cool Under Pressure with High-Speed Cooling Fan
The hollow-out design and built-in cooling fan work together to keep your light cool, ensuring reliable performance even during long shoots.
Snap On. Mount Up. Light Up
Enjoy soft, flattering light with the easy-to-use magnetic diffuser, and customize your setup with dual 1/4” mounts to attach all your accessories. Simple, flexible, and ready for any shoot.
- Horizontal
- Vertical
Applications
- Portrait Photography
- Livestreaming
- Light Painting
- Still Life Photography
- Creative Shooting

Product Overview
1. Type-C Port
1. Display
3. On/Off
4. CCT
5. DIM
6. 1/4" Threaded Hole
7. 1/4" Threaded Hole

Packing List
Video Light*1
Diffuser*1
User Manual*1

P40 Bi Specifications
Model: P40 Bi
Materials: ABS+PC
Dimensions: 158*86*34mm/6.2*3.4*1.3inch
Weight(the light only): ≈352g/0.77lb
Beam Angle: 120°
Battery: 7.4V 5000mAh 37Wh
Battery Life: Brightness at 100%: ≈35min; Brightness at 50%:≈1h20min
Charging Time: ≈1h40min (with a 65W or higher PD charger)

P40 RGB Specifications
Model: P40 RGB
Materials: ABS+PC
Dimensions: 158*86*34mm/6.2*3.4*1.3inch
Weight(the light only): ≈408g/0.9lb
Power: 40W
Beam Angle: 120°
Battery: 7.4V 5000mAh 37Wh
Battery Life: Brightness at 100%: ≈35min; Brightness at 50%:≈1h20min
Charging Time: ≈1h40min (with a 65W or higher PD charger)
- Choosing a selection results in a full page refresh.