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 Learn more Solar Powered Road Markers For Road NK-RS-D1 Body material: Hi-pressure Casting Aluminium alloy Power supply: Solar panel (monocrystalline 2.5V/0.2W)