Diameter of lamp head: 650mm/650mm Light intensity at 1m distance: 40K-160K Lux/40K-160K Lux Color temperature: 3500-5500K, 5 grade adjustable Color rendering index: Ra≥95%, R9≥90% Illuminance depth: ≥1300mm Endoscopy mode Automatic shadow management LCD touch screen control Synchronized control and seprately control Light source: Imported Osram LED chips LED chips qty: 27+27 Power transforme: AC110-220V/50Hz