The Linear ACT-21A, will work with all Linear MegaCode garage door openers, receivers and gate operators. The ACT-21A, MegaCode remote has rolling code technology allowing it to be programmed with a learn button to set the remotes code. Battery, Key Chain, Instructions are Included. Dimensions: 1.25” W x 2.25” H x 0.48” D
Ships The Next Business Day.