A Normal Pen can record anything you see and hear to a 4G wireless recordable receiver! Just screw the pen clip to expose the pinhole camera, and twist bottom part of the pen into writing state, the pen camera begins to work! Needless to use any cables to connect to this pen camera , neither the DVR. Just hold it in hand, or hang it over the pocket randomly, or place it anywhere you like. The high fidelity microphone can record the sound around 15.And the high clear kinescope can help the police and court to get evidence. This version adds a function which show the video recorder time (year-month-day hour-minute-second)will be recorded in the recorded files, and will be shown when playback.