NodeMcu V3 Lua CH340G ESP8266 I/O Breakout Expansion/Development Board Module
NodeMCU V3 WiFi Modue:

NodeMcu is a tiny board, based on ESP8266, integrates GPIO, PWM, IIC, 1-Wire and ADC all in one board. It is a lua based firmware for wifi-soc esp8266
Use CH340G replace the CP2102.
Open-source, Interactive, Programmable, Low cost, Simple, Smart, WI-FI enabled
Arduino-like hardware IO
Advanced API for hardware IO, which can dramatically reduce the redundant work for configuring and manipulating hardware.
Code like Arduino, but interactively in Lua script.
Nodejs style network API
Event-driven API for network applications,
which facilitates developers writing code running on a 5mm*5mm sized MCU in Nodejs style.
Greatly speed up your IOT application developing process.
Lowest cost WI-FI
Less than $3 WI-FI MCU ESP8266 integrated and easy to prototyping development kit.
Package included:
1pc x NodeMCU V3 ESP8266 WiFi Module
Item may vary slightly from image but functionality is the same