Features: and NodeMcu Lua WIFI IoT development board ESP8266 serial port wifi module SUNLEPHANT ESP8266 support all IO ports lead out, direct download without reset. ESP8266 NodeMcu is a popular and widely used development board based on the esp-12e wifi module. It combines elementsof easy programming with IDE and wifi capacity. It contains a built in 32-bit loow power CPU, ROM and Memory. It is a complete and self -contained Wi-FI network solution that can carry software applications as a stand-alone device or connected with microcontroller. Specifications: Item: ESP8266 CH340 Development Board Model: NodeMcu Lua WIFI V3 Driver: CH340 V3 Size: approx 57X31mm or 2.24x1.22in Note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 1cm errors due to manual measurement. Package includes: 1 PC x ESP8266 CH340 Development Board Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.