GEM GR4A Remote with auto stop. FREE SHIPPING - AVERAGE SHIP TIME: 2-3 DAYS*** DUE TO RECENT WEATHER EVENTS AND STOCK DEPLETION WE ARE CURRENTLY RUNNING 1-2 WEEK LEAD TIMES THIS REMOTE WITH AUTO STOP REQUIRES THE USE OF A LIMIT SWITCH. YOU MUST ALREADY HAVE ONE OR YOU WILL NEED TO BUY ONE.