Mini size: it is a mini compatible with WiFi board based on ESP-8266EX; Mini and compact design, can fit on a solderless breadboard; It is more compact and saves space for your projectWidely compatible: This board is compatible with , WeMos and can be programmed in the IDE and support OTA onlineProduct parameter: this board contains 11 digital input and output pins, all pins have interrupt, PWN, I2C, 1-wire (except D0) and a -USB connection; 1 Input (under 3.2V), which compatible with ; 500mA resettable fuseWIFI development board: on-board 5V 1A switching supply, 4M bytes, with 4 MB of flash memoryWIFI Development Board, 4M bytes.Supported (except D0).Support OTA on .1 -USB connection.1 analog input (3.3V max input).5V 1A switching supply onboard.11 digital input/output pins, all pins have interrupt/pwm/I2C/one-wire and a -USB connection.How to started in (compatible with) :1.Setup driver you use the Development Board, you need set up CH340g driver.2.PythonOn Windows you need install thon 2.7.10.3.Installing Hardware package 'Boards Manager or '.We recommend using , you can always get the latest version.Colour:Photo ColorMaterial:ABSPackage Contents:6 x Development BoardOnly the above package content, other products are not included.Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.