Features and Benefits: Color: Grey|Red|White|Blue|Artistic Graphic; Graphics Name: Freedom; Filter Type: ADF Variable Shade; Filter Dimensions (in.): 4.5" x 5.25"; Front Type: Fixed; Certification:ANSI Z87.1|CE|CSA Z94.3; Optical Clarity: 1/1/1/1; Light Shade: 3; Light Shade: 4/5-13; Shade Control: Digital/ Internal; Switching Speed (sec.): 1/25,000 sec; Sensors: 4; Sensitivity: Adjustable; TIG Amp Rating: 3A; Viewing Area (in.): 3.94" x 2.36"; Viewing Area (sq/in.): 9.3; Power Supply: Solar/Lithium; Power Control: Automatic; Replacement Batteries: CR2450; Battery Type: Lithium; Battery Life: 1,300 hrs; Helmet Shell Material: Nylon; Suspension Type: 370 Speed Dial Ratcheting Headgear; Safety Plate Material: Polycarbonate; Special Features: True Color|Grinding Warning|Low Battery Indication|Variable Shade; Welding Modes: Cutting|Grinding|Welding; Warranty: 2 years; Shades 4/5-13 True Color Auto Darkening Filter meets Best in Class 1/1/1/1 Optical Clarity Standard. Easy Digital controls allow quick and easy function selection and includes an internal grind function; Exclusive 370 Speed Dial ratcheting headgear system provides unsurpassed comfort, convenience, and productivity; Professional level switching speeds of 1/25,000 second reduce eye strain and fatigue powered by solar technology and two CR2450 replacement batteries. Features 4 arc sensors to provide unsurpassed coverage and reliable auto darkening; Extended front provides maximum protection from sparks and slag; Ultra-lightweight design is ergonomically balanced and ideal for all-day use;