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Verilux HappyLight · $ · Updated March 3, 2026

Mini

Ranks #48 of 57 for melanopic output, below the 10,000 lux benchmark at 1 ft. Low flicker risk.

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A white rectangular light therapy lamp with rounded edges, standing on a built-in stand. The front panel displays touch controls and a timer. The brand name “HappyLight” is printed at the bottom.
Is it strong enough?#48 of 57

No. Only 23% of the 10,000 lux benchmark at 1 ft.

2,290 m-EDI at 1 ft · 595 at 2 ft

1,0003,00010,000 benchmark40,000
Is it comfortable to sit in front of?Not measured

Glare not measured yet.

Does it flicker?Low risk

Slightly. Low flicker risk.

4.1% modulation at max · 2.3% dimmed

Flicker index
0.0092
SVM
0.091
What does the light look like?4300K

Neutral white, decent color.

CRI Re 82 · R9 35 (weak deep reds)

2700K warm7500K cool

All test data

Light outputMeasured at 1 ft and 2 ft
m-EDI
2,290
595 at 2 ft
Lux
3,360
870 at 2 ft
CLa
3,730
895 at 2 ft
Glare
n/a
n/a at 2 ft

m-EDI 2,290 at 1 ft, 595 at 2 ft

SpectrumOutput at the highest setting
400450500550600650700750Wavelength (nm)1.00452 nm490 nm melanopic peak
Melanopic DER
0.68
m-EDI per lux. Daylight (D65) is 1.0.
CCT
4300K
Fixed
Gap from natural light
30%
Far. Average spectral difference (ASD) from natural light at the same color temperature, 425 to 690 nm.

Lamp output

FlickerGreen is safe, amber is acceptable, red is past the limit

Full powerDimmed (1 of 3 (33%))

Percent flicker
4.1% · 2.3%
Flicker index
0.0092 · 0.0019
SVM
0.091 · 0.007
PstLM
0.025 · 0.032
Assist Mp
0.020 · 0.025
Waveform, 1 second
1.000 s1 s

A flat line near 1.0 means steady light.

Color renderingHow accurately colors and skin tones look under this lamp
CRI Re
82
R9 (deep red)
35
TM-30 Rf
85
TM-30 Rg
99
Neutral saturation
Specifications
Form factor
Compact / travel
Brightness
3 levels
Color temperature
Fixed
Power
20 W
Voltage
100-240V
Mounting
None
Extra features
Built-in timer
Available in
United States, Canada

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