Specification Brand : Coolwell Label : Coolwell Manufacturer : Coolwell NumberOfItems : 1 PackageDimensions_Weight : 0.0661386786 PackageDimensions : L:3.9370078700 X W:3.9370078700 X H:0.7874015740 ProcessorCount : 2 ProductGroup : Personal Computer ProductTypeName : SINGLE_BOARD_COMPUTER Publisher : Coolwell SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/51pLTA-j39L._SL75_.jpg SmallImage_Width : 75 Studio : Coolwell Title : Power Management HAT for Raspberry Pi Series Board, Onboard RTC & Buck-Boost DC Chip,Supports Charging and Power Output at The Same Time Weight : 0.1 WeightUnit : pounds