To meet the IR PTZ needs for different surveillance scale, AVTECH provides users two total solutions. For the small-scaled case such as outdoor parking lots, there is an USB joystick going with the free recording software, 24CH CMS Lite. As for the large-scaled case such as shopping malls, there is an USB joystick going with 96CH CMS Professional, NVR /TVI DVR , and several IP or TVI IR speed dome cameras.