How do you know when fully charged? I have one on charge but all I get is a red light. Instructions are dismal.

There is a tiny red LED by the USB-C jack. It turns green when the battery is fully charged. When not plugged in, you can estimate the max charge by setting to full brightness and then seeing how many of the large red LEDs are lit. If all 5 are lit when set to full brightness, then it's within 90% of full charge.

does this light have a 1/4 20 thread female hole? thanks

Yes it has a 1/4 20 thread female hole and it's a metal thread and also has two cold shoes one on ether side I am very happy with this

What does the M button do? It says it switches between power and light. By power, does it mean that it shows the remaining charge in the battery? i

Hi when you push the M button the red leds light up showing how much power you have left.

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💡 Illuminate your story with pro-grade light—because your content deserves to shine.

COMPACT PORTABLE - Slim 2.36" x 3.15" design fits effortlessly on DJI Osmo, Sony, Canon, GoPro, and more—lightweight for on-the-go creators.
LONG LASTING POWER - Built-in 2000mAh lithium battery offers up to 5 hours of continuous lighting on low brightness—charge fully in just 2 hours.
SOFT NATURAL GLOW - Upgraded soft light panel delivers flattering, non-dazzling illumination perfect for pro vlogging and product shoots.
TRUE TO LIFE COLORS - 5500K daylight-balanced LEDs with a high CRI of 95+ ensure your footage pops with vibrant, natural hues—cut post-editing time.
MODULAR LIGHTING SETUP - Three cold shoe mounts (top + sides) let you link multiple panels for customizable, powerful lighting configurations.

The ULANZIVL49 is a portable, rechargeable LED video light featuring 49 high-CRI LEDs at 5500K natural daylight, powered by a 2000mAh battery offering up to 5 hours runtime. Its innovative 3 cold shoe mount design enables modular expansion, making it ideal for vlogging and professional photography across DJI, Sony, Canon, and GoPro devices.

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TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

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Has Self-Timer	No
Hardware Interface	USB
Water Resistance Level	Not Water Resistant
Connectivity Technology	USB-C
Flash Modes Description	Adjustable brightness, natural light with 5500K color temperature
Battery Average Life	300 minutes
Item Dimensions L x W x H	2.36"L x 2.36"W x 3.15"H

ULANZI VL49 2000mAh LED Video Light w 3 Cold Shoe, Rechargeable Soft Light Panel, Portable Photography Lighting for DJI OSMO Sony DSLR Canon Camera GoPro VloggingClimatePartner certified

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