| HGE-FS-C Auto-Darkening Filter , Frame Size:110 × 90 × 9 mm（4.33″×3.54″×0.35″）,Viewing Area:96 × 44 mm （3.78″×1.73″）,Power Supply:Solar and two lithium batteries(2×3V), Select Sensitivity: Knob ， Light shade:DIN 4, Dark shade:From DIN 9 — 13, Operating Temperature:-5℃ ― +55℃ （23 ℉ to 131 ℉）,Storage Temperature:-20℃ ― +70℃ （- 4 ℉ to 158 ℉） |
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