CAMS3 5MP Unit is a streamlined camera module based on the ESP32S3, supporting WiFi cloud image transmission. It features 8M PSRAM and 16M Flash memory, paired with a custom 5-megapixel camera (PY260) that has a DFOV of 88° and can capture photos at a maximum resolution of 2592x1944. The unit includes a built-in Micro SD card slot for storing images and other data. An integrated PDM microphone allows for sound recording. The HY2.0-4P port at the bottom exposes the S3 internal D+/D- pins, supporting firmware updates or USB serial communication through the M5Grove2USB-C module. Two 1x3 pin headers on the board allow for ESP32S3 program downloading. The factory firmware provides a complete image capture and upload function called EZData, enabling users to achieve remote, free image monitoring through simple configuration. This product is suitable for remote monitoring, time-lapse photography, industrial automation, and various other applications.