Solar auto darkening TIG MIG MMA electric welding mask/helmet

Viewing area: 3.62 x 1.66 in (92 x 42 mm).

Auto Darkening Function (ADF) Self-Check.

Sensitivity (Low-High) Controled By Adjustment Knob.

Power Supply: Solar Cell With Replacable Lithium Battery Backup (CR2032).

Package Contents:1 x Auto Darkening Welding Helmet ,1 x CR2032 (Pre-Installed) 3 x Replacement Lens.

Don't Be fooled by a cheap product, this is a state of the art, Self darkening Helmet