auto welding helmet: 1.Solar cell 2.Operating temperature: -5C to +55C 3.Auto darkening welding helmet

auto welding helmet:

Cartridge Size:  110x90x9mm

Viewing size:     98x52mm

Response time:   0.1ms

Shade Range.:      DIN 4/9-13

Ultraviolet Protection:∠ 0.0003%(313mm)

                               ∠0.006%(365mm)

Infrared Protection:  ∠ 0.01%(780-2000mm)

Delay Time: 0.2-1S Adjustable

Power:              Solar cell with 1 rechangeable Li battery(no power switch)

Operating Temperature:   -5C to +55C

Weight:             490g