This is a new WiFiandBluetooth dual-mode development board based on ESP32 design. It uses PCB on-board antennas, has 2 high-performance 32-bit LX6CPUs, uses a 7-stage pipeline architecture, and the main frequency adjustment range is 80MHz to 240MhzESP32-CAM WiFi Bluetooth board ESP32-CAM-MB -USB serial port CH340G with OV2640 camera module-ESP32-CAM-MB adopts -USB interface, convenient and connection , convenient to apply to IoT hardware terminal occasions.Ultra-low power consumption, deep sleep current as low as 6mA. It is an ultra-small 802.11b or g Wi-Fi and BT or SoC moduleApplication: device transmission wireless monitoring smart agriculture QR wireless identification wireless positioning system signal, etc.Material:PCandmetalcolour:BlackPackage Contents:4 x ESP32-CAM Module4 x Camera Module OV2640Only the above package content, other are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.