ITEM NAME:ESP32-CAM-CH340 USB Serial to Bluetooth and WIFI Camera Development Board A#S Product Description Description: Feature: This module can be widely used in various Internet of Things applications, such as home intelligent devices, industrial wireless control, wireless monitoring, QR wireless identification, wireless positioning system signals and other Internet of Things applications. Specification: Product model: HW-818 Working voltage: DC 5V Product size: 27*48.5*4.5mm/1.06*1.9*0.17'' (excluding needle) SPI Flash: Default 32Mbit RAM: Internal 520KB + External 4MPSRAM Bluetooth: Bluetooth 4.2 BR/EDR and BLE standards Wi-Fi: 802 II b/g/n/e/i Support interfaces: UART, SPI, I2C, PWM Supporting TF Card: Maximum Supporting 4G IO port: 9 Serial port rate: default 115200 BPS Image output format: JPEG (OV2640 only), BMP, GRAYSCALE Spectrum range: 2412-2484 MHz Antenna form: board PCB antenna, gain 2dBi Transmitting power: 802.l1b: 17 + 2dBm (1lMbps) 802.l1g:14+2dBm (54Mbps) 802.l1n:13+2dBm (MCS7) Program Download: 1. Set up download software, select program or burn files. 2. Module press the FLASH button (always press), and then connect the module's MICRO USB port and computer's USB port through the USB cable. 3. Download software to choose the right download port, and then download, when the program began to download, you can release the FLASH button. Note: Please allow 1-3mm 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 understanding. Included: 1 X ESP32-CAM-CH340 Bluetooth WIFI Development Board.Bluetooth: Bluetooth 4.2 BR/EDR and BLE standards. Antenna form: board PCB antenna, gain 2dBi. Module press the FLASH button (always press), and then connect the module's MICRO USB port and computer's USB port through the USB cable.