Quack Lamp
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| Function Description | |
|---|---|
| Button | Function |
| Front Light Adjustment Button |
Short Press: Stepwise cycle switching of color temperature (3000K-4000K-5000K-6000K) Long Press: Stepless brightness adjustment |
| Power Button |
Short Press: Turn front light on/off Long Press: Turn rear light on/off |
| Rear Light Adjustment Button |
Short Press: Stepwise cycle switching of color temperature (3000K-4000K-5000K-6000K) Long Press: Stepless brightness adjustment |
| IES Test Report Key Parameters | |
|---|---|
| Parameter | Value |
| Luminous Efficacy | 38.36 lm/W |
| Peak Luminous Intensity | 76.66 cd |
| S/MH (C0/180) | 1.96 |
| Nominal Power | 7.3 W |
| Lamp Efficiency | 100.00% |
| S/MH (C90/270) | 1.12 |
| Rated Power Supply Voltage | 220 V |
| Total Luminous Flux | 280.82 lm |
| UP,DN (C0-180) η | 5.7, 39.4 |
| Rated Luminous Flux | 280.82 lm |
| CIE Classification | Semi-Direct |
| Number of Light Sources in Lamp | 1 |
| Upward Luminous Flux Ratio | 13.30% |
| CIBSE SHR NOM | 1.5 |
| Measured Power Supply Voltage | 220.6 V |
| Downward Luminous Flux Ratio | 86.70% |
| CIBSE SHR MAX | 1.5 |
| UP,DN (C180-360) η | 7.7, 47.2 |
| Average Beam Angle (50%) | 145.5 degrees |
| N (m) | 7 |
| S (m) | 8.20, 1.40, 1.10, 6.80, 5.50, 0.6800, 4.10, 0.5500, 2.70, 0.4100 |
| Optical Parameters | |
|---|---|
| Parameter | Specification |
| Luminous Flux | 300 lm (Note: ±10% @ 100% Brightness) |
| Color Temperature Range | 3000-6000K ±275K |
| Brightness and Color Temperature Adjustment Method | Touch |
| LED Bead Specification | 2835 model, 0.5W, 150mA; Luminous Flux: 50-55 lm; Color Rendering Index (CRI): 80; Total Quantity: 80 pieces |
| LED Bead Lifespan | >40000 hours |
| Color Rendering Index (CRI) | Ra ≥ 80 |
| Central Illuminance (at Height of 40cm) | >400 lux |
