Package included: 2pcs ESP32-CAM-MB Camera Module and 2pcs USB-TTL Serial Adapter Module. Compared with the old model, it does not require complex wiring and supports manual and automatic downloads ^^ HK-ESP32-CAM-MB adopts Micro USB interface, convenient and reliable connection method, convenient to apply to various IoT hardware terminal occasions ^^ HK-ESP32-CAM-MB module can work independently as the smallest system ^^ A new W-BT dual-mode development board based on ESP32 design, using PCB on-board antenna, with 2 high-performance 32-bit LX6CPU, using 7-level pipeline architecture, main frequency adjustment range 80MHz to 240Mhz ^^ Ultra-low power consumption, deep sleep current is as low as 6mA. It is an ultra-small 802.11 b/g/n W+ BT/BLE SoC module >Our technical service team is always ready to answer your questions. please feel free to contact us-- ^^ Notethis esp32 cam board is suitable for most Windows systems, and there may be compatibility issues with Mac systems, Please pay attention to this detail.