I've always had the kind that used the cordlčss drill. But with the last camper we bought one with Lipperts Ground Control and it's one of the best features we've ever had. Highly recommended. Works perfectly.
2020 Flagstaff Classic 832IKSB
2011 F250SD Lariat Crew, 2WD
6.7L, 3:31, Husky CenterLine TS