Fangrui Product Details Data Interface: Sdio/usbsspi/rmi/uart/i2c Vcc Working Voltage: 3.0v-3.4v Vcc Power Supply Current: Not Less Than 150ma Rf Working Voltage: 3.0 V-3.4 V Rf Power Supply Current: Not Less Than 450ma Working Temperature:- 20 70 Storage Temperature:- 20 70 Size: 17 X 15 X 2.4mm Colour:as Shown Material:pc Tips: The Product May Be Updated Constantly ,due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Package Contents: 1 * Txw8301 Wifi Module Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.