Power Supply: Solar cell & Battery replaceable, 1*CR2450 lithium battery
This helmet features 5-13 variable shade with grind function for use in a variety of applications including MIG, Pulse MIG, TIG, Pulse TIG AC and DC to 2 amps, Stick, Plasma cutting, Air Carbon Arc cutting, Oxyfuel welding, and cutting and grinding. With ANSI and CSA approval this Auto-darkening welding helmet is safe and functional for the above welding applications.