Solar: Color: Yellow, Blue, Green And White: Storage Battery: Ni-MH (1200mAH)/super Capacitor(50F) Work Circumstance:-25° C To +75° C: View Distance: Over 800m: Solar Cell: Poly-crystalline Silicon/single-crystalline Silicon(3V, 75mA) IP Rate: IP68 Resist Compression: 30tons: High Light: LED Solar Road Stud, catseye road stud