Input voltage (AC, 50Hz), V: 198...264 AC frequency, Hz: 50 Flicker, %: 1 Climatic modification and category of placement: УХЛ4 Protection class: II Housing material: Aluminium Mounting method: Surface mounting Ingress protection (IP): IP20 Impact resistance: IK01 Power factor: 0,95 https://www.varton.ru/products/daunlayty/dl-box-reflect/dl-box-reflect-multi-2x2-medium/svetodiodnyy-svetilnik-varton-dl-box-reflect-multi-10-vt-2x2-nakladnoy-4000-k-80kh80kh150-mm-ral9005_8/