Portable Solar Automatic Photoelectric Welding Mask Flat Flip Half Helmet Helical Welding Helmet

100% brand new,Auto-Darkening welding Helmets are designed to protect the eyes and faces from spark,spatter,and harmful radiation under normal welding conditions Solar energy,no need to replace the battery
Not enclosed design,but can complete keep out welding spatter,summer won't be hot and winter will not appear water mist on lens because of man's breathing Suitable for high welding operation temperature,Automatically ON/OFF function
Response time:1/25000-30000s
UV Penetration Rate:313nm Less than 0.00006%;365nm Less than 0.00006%;IR Penetration Rate:780-1300nm Less than 0.003%;1300-2000nm Less than 0.003%
Operating Temperature:-5 degree ~+55 degree;Storing Temperature:-20 degree ~+70 degree
Colour:Black
Material:plastic + PP
Size of helmet:about 20*26cm
Viewing Area:8.9 * 3.4 cm
Adjustable headband size:52-61cm
Maximum height of headband:11.5 cm;Max.size of semicircle headband:33.5 cm
Minimum height of headband:8.5 cm;Min.size of semicircle headband:26.5 cm
Package Contents:
1*Welder protective mask
Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.