Features: [Compatibility]: For Orange Pi Zero3 metal case with 5V 3010 cooling fan and aluminum fins, compatible only with Orange Pi Zero3, not other versions. [Easy to use all ports] All ports and slots of the case can be perfectly for the OrangePi zero3 board; Retain GPIO cable holes [Size ] Case size: approx 69x54.3x36.8mm/2.72x2.14x1.45 inches [Antenna Hole Description] Retain the antenna hole for easy installation of the antenna [Packaging list] 1PC metal case; 1PC 3010 fan; 2PCS aluminum heat sink; 4PCS rubber pads; 1 PC screw pack [Note] does not include OrangePi Zero3 board and antenna Specifications: Case size: approx 69x54.3x36.8mm/2.72x2.14x1.45 inches MAterial：Metal For：for Orange Pi Zero3 Fan：3010 fan Package Includes: 1pc Metal Case 1pc 3010 Fan 2pcs Aluminum Heat Sink 4pcs Rubber Pads 1Pc Screw Pack note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.