Features Suitable for Raspberry Pi B 2B 3B, very practical, provide a great convenience for work The for Raspberry Pi dual system dual TF card slot board is specially designed for players who need to frequently switch tasks between the two systems. For example, change the for Raspbain operating system to the for Ubuntu operating system Install dual TF card, single board supports 2 systems, suitable for most situations with TF card slot Easy to operate, flip the micro slide switch to switch the system instead of replacing 2 different TF cards Plug and play, switch system without needing to replace 2 different TF cards, simplify your operation Specification: Item Type: Memory Storage Board Shield Module Type: Voltage regulator Compatible with for Raspberry Pi 3 Model B 2B Pi Zero Zero W Package List: 1 x Memory Storage Board Shield Module Note: 1. Please turn off the power of for Raspberry Pi and replace the system. Turning on the power will damage the system in the TF card.2. Product color such as product display. Package List 1 x Memory Storage Board Shield Module