I don't think they are faster. Mine seems pretty slow. But it is easier. Just hold the button down. it's especially valuable if you have a WDH and want to lift the rear of the TV with the tongue jack to make it easier to attach the WD bars.
2012 Ford F-150 3.7L V6 -- SOLD
2007 Rockwood 1640 LTD Popup -- SOLD
2004 Bantam 19 HTT -- SOLD
2015 RAM 1500 5.7L V8
2015 Coachmen Freedom Express 292BHDS