Specification: Filter Size: 190. 5 x 77. 5 x 76. 25 mm Active Viewing Area: 122.5 x 35 mm Light Shade: DIN4 Dark Shade: DIN5~DIN9/ DIN9~DIN13 Way to shift Dark State: Outer，stepless shift Switching Time: ≤3/10000S Sensitivity Adjustment: Stepless Control Delay Time: 0.1S~1.0S Power supply: CR2450 Lithium battery Rated Capacity of Lithium Battery: 600mAh Replaceable Lithium Battery: Yes Operating Temperature: -5~55 ℃ Sensors to Weld Arc: 2 Protect Grade against UVB: DIN16 Grinding: Yes Cut: Yes Low battery: Yes
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