Jefferson Automatic Welding & Grinding Helmet

Slim, lightweight & well-balanced auto-darkening welding helmet - Fully adjustable headgear for comfort and fatigue reduction - Powered by 1x CR2045 lithium battery & solar cells - Features auto-off circuitry at 15-20 minutes and low-battery indicator - Two independent ARC Sensors ...Slim, lightweight & well-balanced auto-darkening welding helmet - Fully adjustable headgear for comfort and fatigue reduction - Powered by 1x CR2045 lithium battery & solar cells - Features auto-off circuitry at 15-20 minutes and low-battery indicator - Two independent ARC Sensors for increased safety and protection - Variable shade 9-13 with sensitivity and delay controls - Suitable for MMA, MIG, TIG, PAC, PAW, CAC-A processes Viewing Area - 92 x 42mm Optical Class - 1/2/1/2 Light State - DIN 4 UV/IR Protection - DIN 16 Operating Temperature Range - 5°C to 50°C Cartridge Size - 110 x 90 x 9mm Switching Time Light to Dark - 1/25000s Switching Time Dark to Light - High: 0.25~0.3s, Medium: 0.35~0.6s , Low: 0.65~0.85s Power On/Off - Fully automatic Sensitivity Control - Low / Medium / High Low Amperage TIG - 20A (DC, AC) Gross Weight - 0.77 kgs