Illumination (LUX at a distance of 1M): 130000-180000 
(adjustable)
Color temperature (K): 4300±500
Spot diameter (mm): 100—300
Illumination depth (mm): ≥1200 Brightness adjustment: 1-100
Color rendering index CRI: ≥97%
Color reproduction index Ra: ≥97%
Surgeon's head temperature rise (℃): ≤1
Temperature rise in operating area (℃): ≤2