Akari Motorcycle Visor Insert, Smoke/Black, Left E-tint liquid Crystal technology - electronically tints in less than 0.01 second Universal aftermarket insert that fits most industry standard visors Automatic or manual tint Control with programmable settings No tools Required with peel and stick installation - easily transferable to new visors Anti-fog, anti-scratch, usb-rechargeable with more than 30 hours of tinted Use