The verdict
A full color Ellipse bulb. Its white light is excellent (CRI 91, Rf 90), it dims down to 0.8 lm, its warmest white is 1971K, and flicker risk is low.
A strong pick for evenings: it gets both warm and very dim, so it can double as a night light.
CRI 91 · Rf 90
Averaged over its warm, neutral and cool settings. #29 of 119 bulbs.
Down to 0.8 lm
Brightest white 447 lm. #10 of 119 bulbs.
Warmest white 1971K
mel-DER 0.31 at that setting. Daylight is 1.0. #27 of 119 bulbs.
No risk at full, low risk at half
Graded against IEEE 1789.
Full brightnessHalf
82% of Rec. 2020
RGB brightness 0.5 to 45 lm. #16 of 65 color bulbs.
The white settings
Pick a setting. Everything below follows it.
How colors look
At the selected setting. The red line pulls out where colors get more vivid and pinches in where they dull.
Full color
The triangle is every color the diodes can mix. Hover a corner for that diode.
Flicker
Measured with a flicker meter at full and half brightness.
FullHalf
Where it ranks
All 120 bulbs. Left dims lower, up renders color more truly. Tap a dot to open that bulb.
This bulbOther bulbsHigh flicker riskDiscontinued
Beat it on both
Still sold, dims lower and has truer color, without high flicker.
GE Cync CLEDR309CDENCRI 93 · 0.7 lm · BR30 · $25Similar bulbs
Still sold, same E26 base.
Setup and specs
- Color mode
- Full color
- White range
- 1950K to 7500K
- Shape
- Ellipse
- Base
- E26
- Dimming curve
- Logarithmic
- Max power
- 5.5 W
- Weight
- 212 g
- Firmware tested
- 1.116.5
- Tested
- Aug 23, 2024
- Features
- Filament style, Power-loss recovery



