Luminaire with homogenous illumination for lighting pre-school, school, secondary, tertiary and other Educational facilities facilities. Meets all educational lighting requirements and standards. Stainless steel housing with white powder coating. Recessed and surface-mounted. Compatible with the Armstrong Prelude 24 suspended ceiling systems. Input voltage (AC, 50Hz), V: 176...264 AC frequency, Hz: 50 Flicker, %: 1 Climatic modification and category of placement: УХЛ4 Color rendering index: 90-100 Protection class: I Mounting method: Built-in Ingress protection (IP): IP40 Radiation angle, °: 120 Impact resistance: IK02 Power factor: 0,95 https://www.varton.ru/products/svetilniki-dlya-obrazovatelnykh-uchrezhdeniy/e-seriya-2-0-s-ravnomernoy-zasvetkoy/e300-2-0-ip40-shkola-1195kh595-mm-s-ravnomernoy-zasvetkoy/svetodiodnyy-svetilnik-varton-e300-2-0-dlya-obrazovatelnykh-uchrezhdeniy-50-vt-cri90-4000-k-vstraiva_2/