DSan PC-MICRO-AS4 is a 4-Button wireless transmitter for PerfectCue, PerfectCue Mini or PerfectCue Micro (Forward, Reverse, Blank Screen, and Green Laser).. PerfectCue Micro is a compact, programmable, remote computer controller. It has the same exceptional RF performance and ability to control two computers as the larger PerfectCue and PerfectCue Mini. The keystroke or keystroke macro stored in each USB port can be reprogrammed using the free programming app. The communication between the transmitter and cue light is solid at 300 feet.