Features:

1. Open-source, Interactive, Programmable, Low cost, Simple, Smart, WI-FI enabled.

2. This LoLin V3 WIFI Development Boardcontains a full ESP8266 WiFi module with all the GPIO broken out, a full USB-serial interface, and a power supply all on the one breadboard-friendly package. 

3. The NodeMCU is an open-source project and you can find all the design files and so on from their github page.

4. This board is pre-flashed with NodeMCU – an open-sourced firmware with a few Lua script lines.

5. Advanced API for hardware IO, which can dramatically reduce the redundant work for configuring and manipulating hardware. Code like arduino or interactively in Lua script.

Descriptions:

1. Nodejs style network API – Event-driven API for network applicaitons, which faciliates developers writing code running on a 5mm*5mm sized MCU in Nodejs style. 

2. Greatly speed up your IOT application developing process.

Specifications:

Model: CH340

Color: black

Package included:

1 * Development BoardNotes1. Due to light and other reasons, there may be differences in color.2. Products are manual measurement, there is slightly measuring error.3. Thank you for your kindly understanding.