DC 9.6V-14.4V, Rated Max. 38,400bps (Recommended) / 9600bps, 19,200bps, 57,600bps (selectable). Yes, LED indication for communication, power, status and punch card. All items will be tested or checked carefully and packaged in good condition before sending out to you. Some faulty items might happen especially after overseas transportation.We promise we will provide prompt and satisfactory solution to you. Your 100 satisfaction is our greatest goal here. Sometimes it might get filtered as a spam or our office is closed for weekends and public holidays.