ULANZI B15RGB 15W Tube Light

ULANZI B15RGB 15W Tube Light: 1800‑9000K | 360° RGB | 20 Effects | 18W Overdrive | Magnetic Mount | 3300mAh

CRI 92‑97 | 120° Beam Angle | 2350 Lux @0.5m | Stepless Knob & OLED Display | Type‑C Charging | For Portrait, Product, Light Painting, Livestreaming

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Key Features

• Compact Yet Powerful – 25% Brighter with Overdrive Mode: Driven by high power, the 18W overdrive mode delivers a brightness boost. Illuminance (without diffuser): 2350 Lux @125% @9000K @0.5m. Standard mode: 1850 Lux @100% @9000K @0.5m. Light up every detail.

• Wide CCT Range – 1800K to 9000K: Effortlessly recreate a variety of lighting moods – from warm sunset glow (1800K) to natural daylight (5500K) to cool clinical white (9000K). Broadest range in its class.

• 360° Full Color RGB – Infinite Possibilities: Full color control with rich tones and smooth transitions. Hue adjustable from 0° to 359°. Fresh new way to light every scene.

• 20 Built‑in Effects – Unleash Creativity: Add cinematic flair with effects including Cop Car, Ambulance, Fire Engine, Lightning, Fireworks, TV, Candle, Party, Fault Bulb, Pulsing, Strobe, RGB Strobe, Paparazzi, Emergency, H/L Beam, Red/Green/Blue Flash, HSI Slow/Fast.

• Long Battery Life – Up to 600 Minutes: Equipped with two built‑in 18650 lithium batteries (3300mAh total, 7.4V). Runtime: approx. 80 minutes at 100% brightness (standard mode), approx. 600 minutes at 1% brightness. Type‑C port supports charging while in use.

• Magnetic Mount + Dual 1/4″ Threads – Mount Anywhere: Magnetic points on both ends stick to metal surfaces. Two 1/4″ threads for attaching to tripods, light stands, or grips. Tripod and handheld ready.

• Stepless Knob Adjustment + OLED Display: Quick, precise adjustments at your fingertips. Clear, visual feedback for easy parameter monitoring – no guessing.

• Included Diffuser – Soft, Even Lighting: Attach the diffuser for gentle, eye‑comfortable light. Perfect for portraits and interviews.

• Portable & Lightweight – Power in Your Hands: Length approx. 25cm (9.8 inches). Weight with diffuser approx. 251g (8.9 oz). Slips easily into your bag and fits comfortably in one hand.

• Overdrive Mode Requires >50% Battery: Boosts to 18W. Automatically exits when battery drops to 50% or below. Brightness limited to 50% when used while charging.

• CE, ROHS, FCC Certified: Meets international safety and quality standards.

• 100% Full Inspection: Every unit undergoes rigorous quality testing before shipping.

• Official Warranty: Comprehensive warranty coverage for peace of mind.

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Product Details

25% Brighter with Overdrive Power – 2350 Lux

The B15RGB is a 15W tube light that can push to 18W in overdrive mode, giving you a significant brightness increase when you need it most. Compare:

• Standard Mode (15W, 100% brightness): 1850 Lux @0.5m @9000K (without diffuser)

• Overdrive Mode (18W, 125% brightness): 2350 Lux @0.5m @9000K (without diffuser)

Overdrive requires more than 50% battery – once the battery drops to 50% or below, it will automatically exit overdrive mode.

Wide CCT Range – 1800K to 9000K

The B15RGB offers one of the widest color temperature ranges available in a portable tube light:

Color Temperature	Effect	Best For
1800K – 2500K	Ultra‑warm candlelight	Intimate portraits, sunset simulation, cozy scenes
3200K – 4500K	Warm tungsten to golden hour	Indoor portraits, wedding photography
5500K – 6500K	Neutral daylight	General video, product shots, interviews
7000K – 9000K	Cool, blue‑tinted	Technical shots, matching fluorescent light, creative effects

CRI ranges from 92 to 97 (2500K‑9000K) – accurate color rendering you can trust.

360° Full Color RGB – Infinite Possibilities

Switch to RGB mode and explore the full color spectrum. Adjust:

• Hue (0‑359°) – Any color imaginable

• Saturation – Vivid or pastel

• Brightness – Subtle glow or bold statement

Perfect for light painting, product photography (match brand colors), background accents, and party atmosphere lighting.

20 Built‑in Effects – Cinematic Flair

Unlock your imagination with 20 preset lighting modes:

Category	Effects
Emergency Vehicles	Cop Car, Ambulance, Fire Engine
Atmosphere	TV, Candle, Party, Fault Bulb, Pulsing
Weather & Nature	Lightning, Fireworks
Strobe & Flash	Strobe, RGB Strobe, Paparazzi, Emergency, H/L Beam, Red/Green/Blue Flash
HSI Sweep	HSI Slow, HSI Fast

Perfect for filmmakers, content creators, and anyone who wants to add dynamic lighting without complex programming.

Long Battery Life – Two 18650 Cells (3300mAh)

The B15RGB is powered by two built‑in 18650 lithium batteries (3300mAh total, 7.4V). Runtime:

• At 100% brightness (standard mode): approx. 80 minutes

• At 1% brightness (standard mode): approx. 600 minutes (10 hours!)

• Charging time: approx. 3 hours with 5V/2A charger

• Charging port: USB Type‑C (can be used while charging – brightness limited to 50%)