Input voltage (AC, 50Hz): 100...305 AC frequency: 50 Flicker: 5 Climatic modification and category of placement: УХЛ2 Color rendering index: 90-100 Protection class: I Mounting method: Surface mounting Ingress protection (IP): IP65 Radiation angle: 60 Impact resistance: IK10 Power factor: 0,95 https://www.varton.ru/products/svetilniki-dlya-obrazovatelnykh-uchrezhdeniy/fizruk/fizruk-100-vt/svetodiodnyy-svetilnik-varton-fizruk-sportivnyy-dlya-obrazovatelnykh-uchrezhdeniy-100-vt-cri90-4000-/