One Control OC10 Crocodile Tail Loop Audix The rigid and durable MAGMA RM12MICDK1 The rigid and durable MAGMA CTRL Case XXL Plus is designed to protect a variety of controllers during storage or from the rigors of on the road wear and tear Features Controller: Playback knob to adjust speed Power button switch for controller Infrared shutter photography key Memory button Focusing knob Unique Memory Function The four memory focus can be switched out of order Follow focus adjustment key flexibly adjust tje speed of follow focus Wireless transmitting distance of 300M Receptor: Power buttong The Crocodile Tail Loop is the flagship switcher from One Control The OC10 has 7 programs per bank and you can choose up to 10 programs for each program