1. and stable ESP-12F (ESP8266MOD) module on board, large-capacity 32Mbit SPI Flash. 2. ESP-12F module I / O port and UART program download port all lead out, convenient for secondary development 3. On-board reset button; on-board Micro-USB port + DC 5-80V to 5V power supply circuit (recommended power supply DC 12V) 4. ESP-12F supports for IDE compilation tool, providing reference programs under for development environment. 5. On-board leakage voltage of 60V N-channel MOS tube, suitable for controlling the "control voltage" for the load within DC60V DC-powered ESP12F single MOS switch module equipped with ESP-12F (ESP8266MOD) module, I / O port full lead, support DC 5-80V power supply mode + Micro-USB port power supply. Suitable for ESP-12F secondary development learning, smart home wireless control and other occasions. Power supply voltage: DC 5-80V or Micro-USB 5V Module Model: ESP-12F Programmable indicator: IO16 pin control Output power supply port: DC 60V or less supply voltage Output load port: power supply for load circuit Color: Blue Material: PCB Package Contents: 1 x MOS switch module 3 x pin headers 1 x shorting cap Only the above package content, other products are not included. Note: Light reflection 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.