Theralite · $ · Updated March 3, 2026
Original
Ranks #27 of 57 for melanopic output, below the 10,000 lux benchmark at 1 ft. No flicker at full power.
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Is it strong enough?#27 of 57
No. Only 35% of the 10,000 lux benchmark at 1 ft.
3,525 m-EDI at 1 ft · 950 at 2 ft
Is it comfortable to sit in front of?Standard
Mostly. Moderate glare.
186 at 1 ft · 50 at 2 ft · median 112
Does it flicker?No risk
No, at full power. Dimmed not tested.
1.9% modulation at max
Flicker index
0.0053
SVM
0.061
What does the light look like?3200K
Warm, muted color.
CRI Re 79 · R9 15 (weak deep reds)
2700K warm7500K cool
All test data
Light outputMeasured at 1 ft and 2 ft
m-EDI
3,525
950 at 2 ft
Lux
6,795
1,835 at 2 ft
CLa
6,375
1,640 at 2 ft
Glare
186
50 at 2 ft
m-EDI 3,525 at 1 ft, 950 at 2 ft
Median 3,43010,000 benchmark2 ft1 ft
Glare 186 at 1 ft, 50 at 2 ft
Median 1122 ft1 ft
SpectrumOutput at the highest setting
Melanopic DER
0.52
m-EDI per lux. Daylight (D65) is 1.0.
CCT
3200K
Fixed
Gap from natural light
31%
Far. Average spectral difference (ASD) from natural light at the same color temperature, 425 to 690 nm.
Lamp outputBody-clock zone (melanopic, CIE S 026)Natural light, same color temperature
FlickerGreen is safe, amber is acceptable, red is past the limit
Full powerDimmed not tested
Percent flicker
1.9%
Flicker index
0.0053
SVM
0.061
PstLM
0.039
Assist Mp
0.029
Waveform, 1 second
A flat line near 1.0 means steady light.
Color renderingHow accurately colors and skin tones look under this lamp
CRI Re
79
R9 (deep red)
15
TM-30 Rf
85
TM-30 Rg
98
Neutral saturation
Specifications
- Form factor
- Desktop
- Brightness
- Fixed
- Color temperature
- Fixed
- Power
- 19 W
- Voltage
- 100-240V
- Cord length
- 4.9 ft
- Mounting
- None
- Extra features
- Works with a smart plug
- Available in
- United States, Canada
