Technical Data (For Models SI 3030, 3031)Four DomeThree DomeMax light intensity at 1 m (Lux)12000090000Number of LED's7657 LED's life time>40000>40000Dome diameter580 mm580 mmColor rendering index>96>96Color temperature3500-6200 K3500-6200 KControl on domeDigitalDigitalLight field diameter150 mm or more150 mm or more