Item Type: ESP32CAM Development Board_x000D_ Material: PCB_x000D_ Model: ESP32CAM_x000D_ Working Voltage: 4.75-5.25V_x000D_ SPI Flash: Default 32Mbit_x000D_ RAM: Internal 520KB + external 8MB PSRAM_x000D_ Wi-Fi: 802.11b/g/n/e/i_x000D_ Bluetooth: Bluetooth 4.2BR, EDR and BLE standards_x000D_ Support Interface(2Mbps): UART, SPI, I2C, PWM_x000D_ Support TF Card: Maximum support 4G_x000D_ IO Port: 9_x000D_ Serial Port Speed: 115200bps(default)_x000D_ Spectrum Range: 2400~2483.5MHz_x000D_ Antenna Form: Onboard PCB antenna, gain 2dBi_x000D_ 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.