Description
– Compatible with official version Nodemcu board
– It makes you easier and faster to complete the project of Wifi remote home appliances
– Wireless Upload Program available
– It is built based on the mature and popular ESP8266 technology. You can take advantage the abundant resources available on the web.
– It has built-in USB-TTL serial with super reliable industrial strength CP2102 for superior stability on all supported platforms.

Specifications 
– Antenna Type: Built-in PCB antenna is available.
– Wireless Network Mode: station / softAP / SoftAP + station.
– Wireless criteria: 802.11 b / g / n.
– WIFI @ 2.4 GHz, support for WPA / WPA2 security mode.
– Working voltage: 3.3V
– IO logic level: 3.3V
– Micro USB socket input current: 500mA(MAX)
– ADC pin (A0) input voltage: 0-3.3V
– Flash capacity: 4M Bytes
– Clock frequency: 80MHz or 160MHz
– Applications: Smart Car, Home automation, Sensor networks, Industrial wireless control

1PCS x NodeMcu Lua WIFI ESP8266 ESP-12E board