Lighting / Fixtures
User Manual for SmallRig RF 05B Portable Zoom LED Video Light
Quick guide for the SmallRig RF 05B Portable Zoom LED Video Light. Learn how to operate lighting modes, install accessories, charge the battery, and understand technical specifications.
Table of contents
Quick guide from the manual
The SmallRig RF 05B is a portable zoom LED video light. Before using, ensure the battery is charged. Do not disassemble the product or the built-in lithium battery. If the light overheats (exceeds 100°C), it will flash 3 times and shut down automatically. Avoid using the light while charging for extended periods, especially in Boost Mode, to preserve battery lifespan.
In the Box
- LED Video Light
- Diffuser
- Snoot
- Storage Bag
- Gobos & Film Slide (x10)
- Four-Leaf Barndoor
- Spotlight
- RGB Color Filter (x3)
- USB-C Charging Cable
- User Manual
Product Details
The device features a lamp head, increase/decrease buttons, power button, display screen, charging port, and a 1/4" threaded hole for mounting.
Installation
The light supports various accessories that can be attached to the front:
- Diffuser: Slides onto the front of the lamp head.
- RGB Color Filter: Attaches to the front of the lamp head.
- Spotlight: Mounts onto the front for focused lighting.
- Four-Leaf Barndoor: Attaches to the front to shape and control light spill.
Operation
Power On/Off: Long press the power button.
Mode Switching:
- Bi-Color Temperature Mode: After powering on, the light enters this mode. Use the power button to select color temperature or brightness, then use the increase/decrease buttons to adjust.
- Lighting Effects Mode: Simultaneously short press the increase and decrease buttons to enter. Use the power button to cycle through effects, brightness, and frequency.
- Boost Mode: In Bi-Color Temperature Mode, simultaneously short press the increase and power buttons to enter Boost Mode (8W output). Repeat to exit.
Charging & Battery
Connect a USB-C adapter to the charging port. The device supports 5V/1A or 5V/3A charging. The battery icon will flash while charging. The remaining runtime is displayed below the battery icon and adjusts based on brightness settings. If battery voltage drops below 3.4V, the empty battery icon flashes and the screen turns off after 60 seconds.
Technical Specifications
- Output Power: Standard 5W, Boost Mode 8W
- Beam Angle: 17°-65°
- Color Temperature Range: 1900K - 8000K
- CRI: 96 (Max)
- TLCI: 99 (Max)
- Battery: 3.7V / 2600mAh / 9.62Wh
- Runtime: Standard Mode (100% brightness): 125 minutes; Boost Mode: 23 minutes
Manufacturer information
SmallRig
Practical help
Common problems
Light shuts down automatically
The LED temperature has exceeded 100°C. The light will flash 3 times and shut down to protect the hardware.
Screen turns off during use
If battery voltage is < 3.4V, the empty battery icon flashes and the screen turns off after 60 seconds.
Overheating warning
Do not use the light while charging for extended periods in Boost Mode, as this causes overheating and reduces product lifespan.
Before use
- Charge the device fully before first use.
- Ensure the USB-C cable is connected properly to the charging port.
- Check the battery level indicator on the screen before starting a shoot.
- Verify the environment temperature is suitable for operation.
Specs in practice
- Boost Mode 8W
- Provides higher output power compared to the 5W standard mode for brighter illumination.
- Beam Angle 17°-65°
- The range of the light beam spread, adjustable for spot or flood lighting.
Images and diagrams
- 2: Increase Button
- 3: Decrease Button
- 4: Power Button
- 5: Display Screen
- 6: Charging Port
Model compatibility
- Supports 5V/1A or 5V/3A charging via USB-C.
- Not recommended to use while charging for extended periods in Boost Mode.
Manual page author
Michael Turner
Technical manual editor
Reviews PDF manuals for structure, safety notes, and practical product details so readers can find the right information quickly.