Description: Professional ESP8266 CP2102 NodeMCU LUA ESP-12E Wireless WIFI Module. Full I/O port and wireless 802.11 supported, direct download, no need to download resetting. Built-in Micro-USB, with flash and reset switches, very easy to program A great module to develop ESP8266. Size (L x W): Approx. 48 x 25mm. Package Includes: 1 Piece NodeMCU ESP8266 ESP-12E Lua Wireless Module