"Used Poly crystal silicon solar panel Each one has 3pcs Red LED on both side( Total 6pcs LED), over 10 hours lighting at night after charging full sunshine at daytime. Cast Aluminium body. 2pcs AA Size rechargeable batteries included. " "Pack Q'ty:20pcs 20'Cntr Q'ty:18000pcs width(left to right) 600 (mm) Depth(front to back) 270(mm) Heith(top to bottom) 110(mm) Gross Weight:11.5(kgs)"