MWM PHASE - ESSENTIALDJ AccessoriesPhase replaces DVS timecode with ultra stable motion detectionMore accurate and efficient than timecode vinyl and needlesRechargeable batteries with up to 10 hours of useNo more issues with damaged needles, defective turntables, or rumble from the heavy bass2 remotes for use with a standard 2 turntable set upCompatible with Serato, Rekordbox, Traktor, Virtual DJ, etc...