Anti-Sun Glare Sign Sun glare blacks out road users sight and makes the contents of signs unreadable. Anti-sun glare sign is traditional signs equipped with optical lens- SUNMADE DOTs. Lighting up signs by refracting sunlight to increase viewable range under sun glare. WIRELESS、POWERLESS、REPAIRLESS 200M VIEWABLE RANGE 7 YEARS OUTDOOR DURABILITY Saving lives by Signs ! Contact us