Specifications: Arc Sensor: 2 Filter dimensions: 110 x 90 x 9mm View size: 96 x 48mm Light state shade: DIN4 Dark state shade: DIN9-13 free adjustable(External, Variable) Switching time: Delay time: Adjustable:0.1-0.8S by dial control knob Sensitivity control: Low or high can be selected Ultraviolet transmittance: 313nmUV/IR protection: Up to shade DIN16 Infrared ray through rate: 780-1300nmBattery: Lithium battery +Solar cells(No Battery change required) Power on/off: Full automatic Materials: The original import ultra light strengthen PP of South Korea Operate temperature: -5℃ - +55℃ Storage temperature: -20℃ - +70℃ Weight: 500g Grinding Setting mode: This setting you to see what you are grinding while allowing full face protection. Fully Adjustable Head Gear: Features fully adjustable ratcheting headgear. Also includes a very comfortable sweat band. The head gear allows you to position the helmet further or closer away from your face. This feature is only found on $400 welding helmets. Super Light Weight: This helmet is extremely light-weight to prevent user fatigue.
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