Cooling Fan Module with Power Switch Adjustable Speed for Raspberry Pi 4B 3B+ 3B

Feature: 1. This product is for Raspberry Pi cooling fan module, compatible for Raspberry Pi 4B 3B+ 3B. 2. Can control the fan module and perform other functions, such as restarting and adjusting the fan speed of the motherboard. 3. Can be programmed when the fan adjusts the speed to control the module. 4. The fan has a control switch button, which can be used to turn on and off during use, safely shut down and restart. 5. The fan module is intelligently controlled. You only need to install a script to control the fan and change the fan speed according to the CPU temperature. Specification: Item Type: Cooling Fan Module.Material: PCB+plastic Compatibility: For Raspberry Pi 4B 3B+ 3B Packing: Electrostatic bagSize: Approx. 65 x 57mm 2.6 x 2.2in Package List: 1 x Cooling Fan Module1 x User Manual