| HGE-FS-A Auto-Darkening Filter , Frame Size:110 × 90 × 9 mm（4.33″×3.54″×0.35″）,Viewing Area:90 × 40 mm （3.54″×1.57″）,Power Supply:Solar and two lithium batteries(2×3V), Select Sensitivity:On-Off Switch, Light shade:DIN 4, Dark shade:From DIN 9 to 13, Operating Temperature:-5℃ ― +55℃ （23 ℉ to 131 ℉）,Storage Temperature:-20℃ ― +70℃ （- 4 ℉ to 158 ℉）. |
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