Liftmaster 811LM Single Button Control

Compatible with Security+ 2.0 receivers and operators NOTE: Does not work with residential garage door openers like 8360 and 8550 Ideal for applications such as gated communities or applications requiring a large number of s for a common entrance Dual 12-position DIP programming offers up to 4,096 codes Narrow band transmission on 3 simultaneous frequencies (310, 315, 390 MHz) Encrypted DIP style single-button control Product Features: -Universal DIP Single-Button Control -Encrypted DIP style single-button control -Features Security+ 2.0 technology -Ideal for applications such as gated communities or applications requiring a large number of s for a common entrance -Dual 12-position DIP programming offers up to 4,096 codes -Narrow band transmission on 3 simultaneous frequencies (310, 315, 390 MHz) -Compatible with Security+ 2.0 receivers and operators -Includes: Battery, Visor Clip, and Programming Manual -Dimensions: 3.125 by 1.75 by .75 inches