Constant bright cat eye road stud with shank manufacturer. NOKIN Ultra Thin Solar Powered LED Cat Eyes NK-RS-Q7. Body material: PC. Power supply: High efficient solar panel (5V/60mA) Battery: Lithium battery (3.2V/500mAh) Resistance: 15T. LED Color: White, Yellow, Blue, Red, Green. Size: 114*90*11mm. NOKIN Flashing Solar Cat Eyes Road Stud . Solar Motorway Road Stud Constant Bright For Highway