Godox KNOWLED C7R Bulb

The Godox KNOWLED C7R is a professional full-color RGBWW LED bulb designed specifically for on-camera practical lighting in film, television, and commercial production. It’s built to function like a real light bulb on set, but behave like a controllable fixture—wireless, color-accurate, and repeatable.

The C7R is Godox’s answer to modern practical workflows where lamps, sconces, and visible bulbs need to be controlled, matched, and adjusted without rewiring or dimmer drama.

Specification	Details
Model	C7R
Max Input Power	10 W
Power Source	AC Power or Internal Lithium Battery
DC Input	5V ⎓ 2.5A
AC Input	100–120V~ 50/60Hz, 90 mA / 200–240V~ 50/60Hz, 50 mA
Battery Type	Lithium
Battery Capacity	7.6 V / 1300 mAh
Battery Charging Time	Approx. 2 h 30 min (AC 220V) / Approx. 3 h (DC 5V 3A)
Battery Working Time	Approx. 1 hour
Compatible Bulb Holder	E26 / E27
CCT Range	2000K – 10,000K
Brightness Range	0% – 100%
Average CRI	≥96
Average TLCI	≥97
Control Methods	Bluetooth App Control, Light Body Control
Bluetooth Control Distance	Max. 30 m
Operating Temperature	−10°C to 40°C

Illuminance (5500K, 100% Brightness)

Distance	Output
0.5 m / 1.64 ft	≈ 360 lux / 34 fc
1 m / 3.28 ft	≈ 101 lux / 9 fc

Physical Specifications

Specification	Details
Dimensions	73 × 73 × 136 mm
Net Weight	≈ 256 g

Fixture Overview

The C7R is a screw-in RGBWW LED bulb that replaces standard household bulbs while giving the lighting department full control over intensity, color temperature, tint, and color. Unlike consumer smart bulbs, it’s designed for camera use, not home automation.

It fits directly into lamps and fixtures and integrates into professional lighting control systems, making practicals part of the lighting package—not set dressing roulette.

Key Characteristics

Full-color RGBWW LED bulb
Tunable white with full color mixing
Standard screw-in bulb form factor
Wireless and DMX-capable control
Designed for on-camera practical use

The C7R turns practical lamps into real lighting tools.

Light Quality and Output

The C7R produces soft, omnidirectional light similar to a traditional bulb. Output is intentionally modest and optimized for visibility and realism on camera, not for lighting large spaces.

Inside lampshades, sconces, or bare fixtures, it reads naturally while remaining fully controllable. This makes it ideal for motivated interior lighting perceived as “coming from the set.”

It is not intended to be used as a key or fill light for talent.

Color and Control

The RGBWW engine allows the C7R to produce accurate white light across a wide color-temperature range, as well as saturated colors for stylized scenes.

Control options are designed for production environments and include:
Wireless app-based control
DMX and CRMX workflows
Grouping and synchronized adjustments

Multiple bulbs can be adjusted together, allowing large sets full of practicals to be balanced and tweaked in seconds.

Power and Battery Workflow

The C7R is battery-powered, allowing it to operate without being plugged into mains power during shooting. This removes the need to run cables or rely on wall dimmers, which are often inconsistent or noisy.

Battery operation makes it especially useful for:
Period interiors
Tight locations
Set builds without practical wiring
Fast resets between takes