Driving Glasses <br /><br />Cat.1 Yellow Lens<br /><br />These driving glasses have an alarm against sleep and distraction of mobile devices, the alarm is activated when the user lowers his head to look at the phone or falls asleep. There are 3 types of lenses available, Yellow Lens brightens night vision, Category 3 Gray Lens are best for daytime use absorbing all kinds of reflections and the Photogray Lens is polarized which increases contrasts and allows use during the day and night. All lenses have 100% UV protection. Increases driver safety on rainy and foggy days. They are also practical for outdoor sports.<br /><br />Frame dimensions 54-20-145<br /><br />Includes case and pouch.