ESP8266-12F is an enhanced version ESP8266-12, improve peripheral circuits, four plate board technology, enhanced impedance matching, the signal output is better, whether it is stable or anti-jamming capability, PCB antenna through specialized laboratory testing, perfect match For users before selecting the ESP-12, it does not matter even if the product has been made, enhanced version is fully compatible with previous firmware, the pin has added the ESP-12 on the basis of six IO ports, SPI mouth leads, develop more convenient, application more extensive Condition: New Type: WIFI wireless module Model Number: MW Application: Computer colour:Photo color Material:Plastic + Metal Package Contents: 10 x WIFI wireless module Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.