Magic Closer - Automatic Garage Door Closer Will not Work with newer models manufactured after 2012! - INTELLI G, Security+ 2.0 and MyQ technology Installs in minutes with only a screw driver! No Syncing, No Ladders No Hassle Includes 2AA batteries with NEW front cover battery door for easy access 3 timer settings 5, 15 minute and 6hr delay with audible and visible warnings prior to closing Works with every Garage Door Opener brand built before 2012!