Quantity of 4 ESP8266 in each package.
ESP8266 is a WiFi enabled Microcontroller - Arduino ready.
It offers a complete and self-contained Wi-Fi networking solution, allowing it to either host the application or to offload all Wi-Fi networking functions from another application processor.
Gold coated traces

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 2 inch
Height : 0.3 inch
Length : 4.5 inch

Item Weight: 0.32 ounce (View shipping rates and policies)
Shipping Weight: 0.64 ounce (View shipping rates and policies)

ASIN : B01MT6T73L

Product Description

Specifications: Serial/UART baud rate: 115200 bps *Input power: 3.3V I/O voltage tolerance: 3.6V *Max Flash Memory Size: 1MB (8Mbit) *WiFi security modes: WPA, WPA2 *Package Including 4 x ESP8266 Wifi Transceiver Modules