1.supportIIC,SMBUS,HDQThree protocol modes of communication. 2.Three color status lights indicate three states(Power Supply,communication,USBdata). 3.Support subsequent firmware upgrade,Support not out of chip. 4.Direct useUSBThe data line communicates with the computer. 5.Small size,Easy to carry. Full protection of output signals. It can be provided externally3.3vReference power supply Material: ABS Color as shown Package Contents: 1 x Debugger 1 x USB data cable 10 x cable 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.