Hi i did the silent mod on my M2Z controller so you dont hear the irritating sounds and warnings..but i left on the vibration warnings..i am looking for a smart contoller in exchange..let me knoiw if anyone is interested.. or interested in buying my controller,,i want to get an hdmi output to do live streaming..thanks Avi

Hi there. Hope that you could get the best offer for your unit from our fellow DJI Pilots here in Forum. Take care always!