Technical Parameter: Light shades Avaliable: DIN 4# Dark shades Avaliable:DIN9-13# Response Time:not less than 0.5ms (under the room temperature) Delay Control:Quick-grade---0.3s,show-grade---2s Service life: More than 5000h Working Temperature:-5℃(23℉)~ +55℃(131℉) Viewing Area:90X40mm Size of Appearance:110X90X9mm Permeating Rate of Ultraviolet Radiation:313nm≤0.00006% 365nm≤0.000061% Rermeating Rate of infrared Ray:780 ~ 1300nm≤0.003% 1300 ~ 2000nm≤0.0094% Materials:PA Weight:570g