<b>If you have any problems while using, please contact us. <br>We will send you a product tutorial or technical support within 24 hours.</b><br><br><br><b>Specifications:</b><br>- IO Port: 9<br>- SPI Flash: Default 32Mbit<br>- RAM: Internal 520KB + External 4M PSRAM<br>- Power Supply Range: 5V 2A<br>- Bluetooth: Bluetooth 4.3 BR/EDR and BLE standard<br>- WiFi: 820.11 b/g/n/e/i<br>- Support Interface: UART/SPI/I2C/PWM<br>- Support TF Card: Maximum 4G<br>- Serial Port Rate: Default 115200 bps<br>- Image Output Format: JPEG (Only OV2640 support), BMP, GRAYSCALE<br>- Spectrum Range: 2412-2484MHZ<br>- Antenna Form: Onboard PCB antenna, gain 2dBi<br>- Transmit Power: 820.11b: 17±2dBm (@11Mbps); 820.11g: 14±2dBm (@54Mbps); 820.11n: 13±2dBm (@MCS7)<br>- Safety: WPA/WPA2/WPA2-Enterprise/WPS<br><br>Pin definition: DTR, RXD, TX, VCC, CTS, GND<br>Operating Voltage: 3.3V and 5V<br>Pitch: 2.54mm<br>Size: 40 x 18mm (L x W)<br>Interface: Mini USB<br>Support: Win95/98/98se/ME/2000/XP/win7 32bit 64bit /Vsita/, Do not Support Win8<br>XD / TXD transceiver communication indicator<br><br><b>Jumper Wires:</b><br>Pitch: 2.54mm<br>Each cable length: 20CM<br>Material: high-grade copper wire<br>Type: Female-Female<br><br><b>Package Included:</b><br>- 1 x Mini WiFi + Bluetooth Module<br>- 1 x OV2640 camera<br>- 1 x FTDI USB To TTL Serial Converter <br>- 1 x 20cm 40pin Female-Female Jumper Wires