1. Viewing Area: 100×67mm

2. Optical Class:1/1/1/2

3. Range of UV/IR protection: DIN 16       

4. Light Shade: DIN 4

5. Dark Shade: DIN 5-9, 9-13, Internal control

6. Power on/off: Automatic

7. Switching Time (light to dark) : 1/30000s 

8. Switching Time(dark to light): 0.1-1.0s,Steplessly adjustable,Internal control

9. Sensitivity: Low to high, Steplessly adjustable,Internal control

10. Mode: Weld/Grind, Internal control

11. Arc sensor:4

12. Low Volume Alarm

13. ADF Self-check

14. Power Supply: Two solar cell and lithium batteries(Replaceable)

15. Operating Temperature: -10℃~＋55℃

16. Storage Temperature: -20℃~＋70℃

17. Material,Weigh,Frame Size: PA ,0.53kgs,350mm*240mm*230mm.

18. Packing methods: 6 pcs of helmets packed together in one carton( normal).N/G weight:   3.18/6.16KGS  Size of carton: 710*285*555mm, 1 pc/ Color box.