Color Cylinder water container dimension: 470mm*1440, Match with solar energy collecter 1, Vacuum glass pipe which quantity is 10-25(normally 20). 2, a panel which assembled in a aluminium frame, the surface is made of toughened glass, the seconed layer is coated aluminium panel or copper panel and the coated material is blue or black Ti, the third layer is metal pipe made by copper or stainless steel Mg&Al alloyed metal, the forth layer is temperature insulated poly like foam, the bottom is thin aluminium. 3, a panel too which the second layer is welding two long thin black metal on a metal pipe, like charachers V on O as main heat collecter, the third layer is super thin aluminium used to reflect the light comes from the narrow gap(0.5CM)between the second layer's pipe.