Features: Brand new and high quality Overall dimension: 22mm × 32mm. USB to two-wire serial debugging bridge (Am serial debugging is supported by default). USB to UART bridge. For CMSIS-DAP standard. Use with OpenOCD and other tools that support CMSIS-DAP. Follow for Pi3-pin Debugi connector specifications. Includes a high-quality transparent plastic shell. Including one USB cable and three debugging cables: 3-pin JST: connector to 3-pin JSTi connector cable. 3-pin JST: connector to 0.1-inch connector (female connector); 3-pin JST connector to 0.1 inch connector (male). Nominal/O voltage: 3.3V. Specifications: Mterial: PCB Size: approx. 22x32mm Package Includes: 1 x Debug Probe kit note: No retail package. Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!