The HK-ESP32-CAM-MB module is a small camera module with a size of 39.8 mm x 27 mm 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 a smaller system A new WiFi+Bluetooth dual-mode development board based on ESP32 design, using PCB board antenna, with 2 high-performance 32-bit LX6CPU, using 7-stage pipeline architecture, main frequency adjustment range 80MHz to 240Mhz Ultra-low power consumption, deep sleep current as low as 6mA. It is an ultra-small 802.11b/g/n Wi-Fi + BT/BLE SoC module colour:Black Material:plastic Package Contents: 1 x ESP32-CAM-MB Camera Module 1 x USB-TTL Serial Adapter Module 1 x 2.4G Antenna IPEX Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.