Feature:
Use low-power dual-core 32-bit CPU, which can be used as an application processor.
Main frequency up to 240MHz, and computing power up to 600 DMIPS
Built-in 520 KB SRAM, 448KB ROM
Support (2Mbps) UART, SPI, I2C, PWM, ADC, and DAC interface
Support OV2640 and OV7670 cameras, built-in flash
Support picture Wi Fi upload, TF card(32G max), multiple sleep modes, STA/AP/STA+AP working mode

Specification:
Working voltage 4.75-5.25V
SPI Flash default 32Mbit
Wi Fi 802.11b/g/n/e/i
BLE 4.2BR/EDR and BLE standard
IO port 9
Serial port rate default 115200bps
Spectrum range 2400 ~2483.5MHz
Antenna form Onboard PCB antenna, gain 2dBi
Image output format: JPEG (only OV2640 support), BMP, GRAYSCALE
Packaging method DIP-16

Transmit power 802.11b: 17±2dBm (@11Mbps)
802.11g: 14±2dBm (@54Mbps)
802.11n: 13±2dBm (@MCS7)
Receiving sensitivity CCK, 1Mbps: -90dBm
CCK, 11Mbps: -85dBm
6Mbps(1/2BPSK): -88dBm
54Mbps (3/464-QAM): -70dBm
MCS7 (65Mbps, 72.2Mbps): -67dBm
Power consumption Turn off flash: 180mA@5V
Turn on flash and adjust brightness to the maximum: 310mA@5V
Deep-sleep: The lowest power consumption up to 6mA@5V
Moderm-sleep: the lowest up to 20mA@5V
Light-sleep: the lowest up to 6.7mA@5V
Security WPA/WPA2/WPA2-Enterprise/WPS
Working temperature -20 ℃~ 70 ℃
Storage environment -40 ℃~ 125 ℃,

Application
Home smart device image transmission
Wire less monitoring
Smart agriculture
QR wire less recognition
Wire less positioning system signal

Package Included:
1 x 2.4 inch capacitive touchscreen
1 x 4pin dupont female to 1.25mm cable 20cm
1 x 2pin 1.25mm cable 15cm