Item Type: ESP32CAM Development Board Material: PCB Model: ESP32CAM Working Voltage: 4.75-5.25V SPI Flash: Default 32Mbit RAM: Internal 520KB + external 8MB PSRAM Wi-Fi: 802.11b/g/n/e/i Bluetooth: Bluetooth 4.2BR, EDR and BLE standards Support Interface(2Mbps): UART, SPI, I2C, PWM Support TF Card: Maximum support 4G IO Port: 9 Serial Port Speed: 115200bps(default) Spectrum Range: 2400~2483.5MHz Antenna Form: Onboard PCB antenna, gain 2dBi Image Output Format: JPEG (only for OV2640), BMP, grayscale 1Low Power Dual Core 32 Bit CPU: Low power dual core 32 bit CPU for application processor, built in 520KB SRAM, external 8M PSRAM, support UART, SPI, I2C, PWM, ADC, DAC and other interfaces 2Serial Local and Remote Firmware Upgrade: Support serial local upgrade and remote firmware upgrade(FOTA), which bring better performance 3Smart Configuration: Support smart configuration, for AirKiss one key distribution network, very convenient 4Multiple Working and Sleep Modes: Allow STA, AP, STA+AP working mode, and multiple sleep modes, embedded for Lwip and for FreeRTOS 5Support Image Upload: Support OV2640 and OV7670 cameras with built in flash, support image upload via WiFI, support TF card 1 x Power Driver Board 1 x Bluetooth Module Don't overload.