Model: ESP32-CAMOperating voltage: 5VSPI Flash: 32 MbitRAM: between 520KB + external 4M PSRAMBluetooth: BLuetooth 4.2 BR / EDR and BLE standardWIFI: 802.11 / b / g / n / e /Port: UART, SPI and I2C PWMSerial port speed: 115200 bpsImage form: JPEG (OV2640 support only), BMP, grayscaleSpectrum Range: 2412-2484 MHzSecurity: WPA / WPA2 / WPA2-Enterprise / WPSOperating temperature: -20-85 degrees CelsiusStorage temperature: -40-90 degrees Celsius, Less than 90% RHsize:27*39mmMaterial:plasticcolour:blackPackage Contents:1 * Mini ESP32 Bluetooth Module1 * OV2640 camera1 * AntennaOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.