High performance electrical and electronic experimental towing device absorbed the advantages of domestic and foreign advanced teaching equipment, give full consideration to the present situation and the future development trend of the laboratory, from the performance and structure of innovation, the hanging box structure, concise, reasonable layout, use flexible. Experimental instrument digital display, high precision, the experiment involved the power, instrumentation take reliable protection, and set the reliable safety protection system, the experimental device performance is superior, is the labs in Colleges and universities to build the best choice.