1. Adopting high-speed USB communication, with a communication speed of over 1M, non-traditional use of serial communication Port communication and USB HID communication, simulate high speed without delay, pause, or disconnection sensation. 2. Supports full resource simulation of the 51 kernel, without occupying any hardware resources of the 51, package Includes serial port, can simulate serial port. 3. Supports 8M 11.059212M 18.432M 24M 48M crystal oscillator selection Convenient communication debugging for various baud rates 4. Supports 12T and 6T modes 5. Support full speed operation, single step operation, multi-step operation, multi breakpoint setting, and stopping Various simulation operation modes such as stop and reset. 6. Support 63K simulation program space 7. The simulation RAM is sufficiently large, determined by the specific model of the current development environment, and is not affected by simulation Hardware limitations. 8. Supports C language and assembly language 9. For XP WIN7 WIN8 WIN10 operating system Color: As Shown Material: plastic Package Contents: 1 * Microcontroller development board set 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.