ITEM NAME:For NodeMcu Lua WIFI Internet Development Board Based on ESP8266 CH340G Boa T6E6 For NodeMcu Lua WIFI Internet Development Board Based on ESP8266 CH340G Boa T6E6 Open-source, Interactive, Programmable, Low cost, Simple, Smart, WI-FI enabled Advanced API for hardware IO, which can dramatically reduce the redundant work for configuring and manipulating hardware. Greatly speed up your IOT application developing process. Lowest cost WI-FI Use CH340G repalce the CP2102. Color:black material: metal Package included: 1 x CH340G ESP8266 Wireless WIFI Internet Development Board Module Note: Light shooting 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..Use CH340G repalce the CP2102. Greatly speed up your IOT application developing process.