HAN05-6 Embedded Solar Road stud Denomination Solar Road Stud Working Mode Charging at day and lighting at night automatically Shell materials body High-pressure casting aluminum Window Polycarbonate Solar cell Type Mono/poly-crystalline silicon Wp 450mW Vp 2.5 V Vp 180mA Battery 2.3v/120F Light LED Qty 3pcs/6PS Color Amber,blue,green,red,white Heat Resistance -35~60