Horseshoe solar powered road stud aluminum road marker Solar powered for isolated or standalone applications. Ideal for high way, park lot, road etc and can be widely used in similar traffic projects.TECHNICAL SPECIFICATIONSMaterial Aluminum alloy shellSolar Panel 2.4v/0. 15-0. 3WBattery Ni-Mh rechargeable battery (1.2V / 1200 ma)Light Source 6