Input voltage (AC, 50Hz): 198...264 AC frequency: 50 Flicker: 1 Climatic modification and category of placement: УХЛ4 Protection class: II Housing material: Aluminium Mounting method: Surface mounting Ingress protection (IP): IP54 Impact resistance: IK01 Power factor: 0,95 https://www.varton.ru/products/daunlayty/dl-roll/dl-roll-opal-140-nakladnye/svetodiodnyy-svetilnik-varton-dl-roll-nakladnoy-24-vt-4000-k-140kh190-mm-ip54-ral9016-belyy-muar-s-r_1/