Main Features:• Slim and Lightweight• Automatic Light Adjustment From Light to Dark in 1/30,000th of a Second • Shade Control from DIN9-13• Variable Sensitivity• Grinding Mode• Variable Delay • Viewing Area 100mm x 41mm / 3.94” x 1.62” • Full Face Coverage• Automatic Power On/Off• Built in Battery• Adjustable Headgear • Ergonomically Balanced to Increase Comfort• UV/IR Protection up to shade DIN 16 • Conforms to CE and BS EN 379: BS EN 175: EN 166• 12 Months Warranty