| Technical parameter | |
| Diameter of lamp holder (MM) | 700 |
| Illumination (LUX at a distance of 1M) | 40000-180000 |
| Color temperature K | 3700±500 |
| Spot diameter MM | 150-350 |
| Illumination depth MM | ≥1200 |
| Brightness adjustment digital display | 1-100 |
| Color rendering index CRI | ≥96% |
| Color reproduction index RA | ≥97% |
| Surgeon’s head temperature rise | ≤1℃ |
| Temperature rise in operating field | ≤2℃ |
| Operating radius | ≥2200MM |
| Working radius | 600-1800MM |
| Voltage | 220V±22V 50HZ±1HZ |
| Input power | 400VA |
| Average bulb life | ≥80000h |
| Bulb power | 150W/150W |
| Optimal installation height | 2800mm-3000mm |