
Coded with Commercial Security + 2.0 DIP switches (12 micro switches), these remote transmitters worked well and synced to a 1 HP LiftMaster SL3000101U sliding gate opener. Programming instructions are included or available for download from the LiftMaster website. These remote controls are designed ONLY for commercial Security + 2.0 systems or commercial receivers installed on residential gate/door openers. Comes with an easy to replace 3V CR2032 lithium battery with a 3 year lifespan.

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