Welding mask helmet LYG-7

Welding mask helmet LYG-7 Filter Size:  110mm × 90mm × 9mm Active Viewing Area:92.5mm × 42.5mm Light Shade:  DIN4 Dark Shade:  DIN9 -13 Way to shift Dark State:  Inner Control, Stepless shift Switching Time:  1 / 10000S Sensitivity Adjustment:  Stepless Control Delay Time:  0.1S ~ 0.8S Power Supply:  lithium battery & solar powered Rated Capacity of Lithium Barrtery:600mAh Operating Temperature:  -10 ℃~ 65 ℃ Sensors to Weld Arc:  2 Mask Material:PA / PP Protect Grade againstUVB:  DIN15 Grinding:  YES Test:YES Low battery: YES Inside Protect shelter:  104mm × 47.5mm × 1mm Outside Protect Shelter:  109mm × 89mm × 1mm Cod: 30719 International shipment available. Please ask for price.