ADJUSTABLE SHADE CONTROL - Benefit from precise visual clarity and optimal protection as you weld, thanks to the seamlessly adjustable shade control ranging between 9-13. Shade control allows suitability for MIG, TIG, arc welding and grinding. Also features sensitivity and delay controls for switching light to dark. TRUE COLOUR TECHNOLOGY – Technology allows for improved depth perception, allowing far greater welding precision. FULLY AUTOMATIC - Fully automatic switching from light to dark on striking arc. Eyes remain firmly protected with an instant operating time between light & dark standing at 0.04ms. Shade is selected by a rotary knob on side of helmet. SOLAR PANELLED POWER SUPPLY – Welding helmet is fully solar powered, without any need for any batteries or charging. COMPLIANT WITH BS & DIN STANDARDS – Helmet complies with BS EN 379, BS EN 175 and DIN standards. ONE YEAR GUARANTEE FROM A REPUTABLE UK COMPANY – Founded in 1978, Sealey is a large family run business with a vast product range. Trusted by professionals, all Sealey products are thoroughly tested and backed by unrivalled aftersales service.