Compatible with Raspberry Pi 4B/3B+/3B It has passive heat dissipation due to without fan. With 3pcs little thermal tape for better heat dissipation of Raspberry Pi Board Female socket, double row, straight pin, 2x20 pins, Through Hole mounting.Pitch: 2.54mm/0.1" Package Includes: 1 x Armor Case,3 x Thermal tape,1 x Allen wrench,4 x M2.5 Hexagon socket head screws,2x20Pin Female Header(Note:Raspberry Pi and Fan Not Included)