Features: brand new and high quality ESP32-CAM wirless wifi module with 2.4G Antenna ESP32-CAM-MB Micro USB ESP32 Serial to WiFi ESP32 CAM development board CH340 CH340G 5V module. SMA connector 2.4GHz 2dBi Wireless WLAN Antenna Support Bluetooth-compatible OV2640 Camera With built-in antenna, if you need to use external antenna, you can resoldering resistance with soldering ironby yourself. Package Includes: 1 PC x WIFI Module Specifications: Model: ESP32-CAM With:2.4G WIFI Antenna SMA connector 2.4GHz 2dBi Wireless WLAN Antenna Aerial Gain: 2dbi Connector:RP SMA Male (female pin) Connector Color:Black Antenna Length approx :11cm/4.33in note: Please allow slight size differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understand.