Based on Raspberry Pi CM4 / CM5
Onboard Standard CM4 / CM5 Connectors, Supports access to the Lite / EMMC series of CM4 / CM5 and connecting to corresponding baseboard or expansion board

Physical Protection for Frequent Plugging and Unplugging
Prevents damage to the CM4 / CM5 socket from frequent physical plugging and unplugging, suitable for applications that require frequent connections of CM4 / CM5