Specifications:IO Port: 9Power Supply: 5V 2AWiFi: 820.11 b/g/n/e/iSPI Flash: Default 32MbitSpectrum Range: 2412-2484MHZSerial Port Rate: Default 115200 bpsRAM: Internal 520KB + External 4M PSRAMAntenna Form: Onboard PCB antenna, gain 2dBiBluetooth: Bluetooth 4.3 BR/EDR and BLE standardImage Output Format: JPEG (Only OV2640 support), BMP, GRAYSCALEFeatureSupport TF card.(Max 4G)Support image WiFi upload.Support multiple sleep modes.Embedded Lwip and FreeRTOS.Support secondary development.Support STA/AP/STA+AP working mode.Built-in 520 KB SRAM, external 4M PSRAM.Support OV2640 and OV7670 cameras, built-in flash.Supports interfaces such as UART/SPI/I2C/PWM/ADC/DAC.Support Smart Config/AirKiss one-click distribution network.Transmit Power:820.11b: 17±2dBm (@11Mbps);820.11g: 14±2dBm (@54Mbps);820.11n: 13±2dBm (@MCS7)Safety: WPA/WPA2/WPA2-Enterprise/WPSApplication:Smart agricultureWireless monitoringHome smart device mapQR wireless identificationPackage Included:5 X ESP32-CAM Module5 X OV2640 2MP Camera Module