With dedicated buttons and knobs for all settings and actions, the PTZ Pro PTZ controller for robotic cameras is easy and quick to use. You will enjoy all the same benefits as found on PTZ Fly, while having a larger hand rest and faster, direct access. SKAARHOJ makes the worlds most comprehensive universal VISCA controllers - thanks to UniSketch and our dedication to quality integration.The SDI option adds a Blackmagic Arduino shield to the controller for reading and writing Camera Control Data