"I want to express my dissatisfaction with this product. Despite its advertised capabilities, it failed to operate a garage door weighing 500lbs as promised. In fact, it couldn't even handle a much lighter door weighing 65lbs in my experience. I attempted to troubleshoot by disconnecting and reconnecting the door opener, but to no avail. Even with assistance from Gennie's tech support, the issue remained unresolved. This purchase has left me thoroughly disappointed."