2Set for Raspberry Pi 4B Accessories: 1 set x Dual Cooling Fan & 1 x for Raspberry Pi 4b Case This is the version dual fan for Raspberry Pi 4 B+ module, 7mm 9-page cooling fan, heat-dissipating sticker on the back, simple and practical. More importantly, the noise is only 22DBA, other brand's fan is over 30 DBA, you don't have to worry about the noise any more. So don't hesitate to choose our mini super quiet cooling dual fan for your Raspberry Pi 4 B/3 B+. It won't make you disappointed. Voltage: 5V Current: 0.3A Power: 1.5W for Raspberry Pi 4b Case: Small formed cooling case that especially keeps the for Raspberry Pi 4 safe. Supports up to the for Raspberry Pi 4 4GB model. Provides access to the Camera module, Display Module, GPIO pins, and PoE pins. The perfect for Raspberry Pi 4 Case that keeps your Pi cool even at maximum performance. Colour:gray Material:Aluminum alloy Dual Cooling Fan: Speed: 7500rpm Noise: 22DBA Colour: black Material: plastic Size: 51 x 25 x 13mm Package Contents: 1 x Dual Cooling Fan 2 x heatsink(Sent at random, don't accept the specified) 1 x for Raspberry Pi 4b Case