Scorpion PHOTOCHROMIC PINLOCK SHIELD R1 AIR/ ST1400Photochromic Pinlock Ready face shield for the Scorpion EXO R1 Air St1400 T520 R330 Helmets . Innovative shield quickly adapts to changing ambient light, darkening quickly in the sun and clearing efficiently in low light environments . Eliminates the need to swap shields throughout the dayone universal visor for all riding conditions. Key Features: Adaptive light transition that darkens quickly in the sun and clears efficiently in low light