Feature:

• Open-source, Interactive, Programmable, Low cost, Simple, Smart, WI-FI enabled.
• Arduino-like hardware IO
• Nodejs style network API
• Lowest cost WI-FI

Link to NodeMcu

Description:

• Size: 4.7 x 3 x 1cm/1.9 x 1.2 x 0.4in(L*W*H)
• Weight: 8.7g
• Color: Black

Package Content:

• 1 x NodeMcu Lua CH340 ESP8266 development board
• 1 x USB cable