UNO R3 ESP8266 Serial WiFi Shield Extend Board Module - Blue + Silver

Form Color Blue + Silver + Multi-Colored Model N/A Quantity 1 DX.PCM.Model.AttributeModel.Unit Material PCB Frequency 2.4GHz Working Voltage 3.3 DX.PCM.Model.AttributeModel.Unit English Manual / Spec Yes Download Link http://pan.baidu.com/s/1i5LboR7 Packing List 1*UNO R3 ESP8266 Serial Wi-Fi Shield Extend Board