Specification Binding : Personal Computers Brand : XYG-Raspberry Pi Label : XYG-Raspberry Pi Manufacturer : XYG-Raspberry Pi PackageDimensions_Weight : 0.41005980732 PackageDimensions : L:8.2283464483 X W:5.9448818837 X H:2.0078740137 ProductGroup : PC Accessory ProductTypeName : MOTHERBOARD Publisher : XYG-Raspberry Pi SmallImage_Height : 61 SmallImage_URL : http://ecx.images-amazon.com/images/I/41-EibzI%2BtL._SL75_.jpg SmallImage_Width : 75 Studio : XYG-Raspberry Pi Title : Stack HAT I/O Expansion Connector for Raspberry Pi 5 Sets of 2x20 Pinheaders Stack up to 5 Hats at Once Directly Pluggable @XYGStudy Weight : 0.4 WeightUnit : pounds