In theory a good system with true closed loop control, but... we were early users (2005) and had a lot of problems back then with failure rates approaching 100%. Apparently the bugs have been worked out by now but we stay clear of this product since we got badly burned. One problem with learning the limits is that on a power on condition the door has to close until it hits an obstruction (jamb post or opposing door panel) the current then ramps up and the limit is found. If you have an older controller you may need to extend the door close protection timer. Also if used on a mod I would suggest you use a fixed switch for DPM. You are probably better off going with GAL MOVFR in my opinion.
