Solar Power Auto-Darkening Welding Helmet Automatic Darkening Weld Mask Shield Protection Cap With Lens Adjustable He-adband

By providing multiple adjustments and combinations, the helmet can be tailored to fit personal preferences and comfort settings. Made of fire retardant material with high intensity, lightweight and comfortable to wear. UV protection is good for protect your eyes and skin. 

Features:
Auto-darkening, protect the eyes and faces from spark, spatter. 
Overall-process protection against ultraviolet(UV) and infrared(IR) radiation.
Quick response from clear to dark when start welding.
The shell adopts PP material, with high and low temperature resistant.
Corrosion resistand, flame retardant, high intensity and sturdy.
Adjustable he-adband provides a comfortable no-slip fit.
Light weight design is easy to handle and no pressure when you are working.
Can see the welding conditions clearly with large view window, convenient to use.

Specifications:
Color: black+green
Main material: PP
Response time:0.15ms~0.2ms
Retention time: 0.4ms~0.8ms
Delay time: 0.1S~1.2S 
Ultraviolet protection: < 0.0003%(313nm-365nm) 
Infrared protection: < 0.027%(780- 1300nm);  <0.085%(130nm-2000nm)
Working temperature: -5°C ~ 55°C (23°F ~ 131°F)
Storage temperature: -20°C ~ 70°C (-4°F ~ 158°F)
Light state: DIN4 
Dark state: DIN9~ 13 
Battery: CR2450(3V, 600mAh)
Viewing window size: 94 * 48mm / 3.70 * 1.89in
Cartridge size: 110 * 90 * 9mm / 4.33 * 3.54 * 0.35in
Item size: 270 * 230 * 190mm / 10.63 * 9.06 * 7.48in
Package size: 280 * 250 * 200mm / 11.02 * 9.84 * 7.87in
Item weight: 320g / 11.29ounces
Package weight: 750g / 1.65pounds

Note:
1. Do not allow any water entering into the product, otherwise it will cause permanent damage.
2. Please allow 0.5-1" error due to manual measurement. Thanks for your understanding.

Package List:
1 * Welding Helmet 
1 * Plastic Protection Plate