LiftMaster 850LM Universal Gate and Garage Door Opener Receiver
Brand: LiftMaster
Color: Gray
Compatible with 811LM, 813LM, and all MAX remote controls
Expands to three channels: Channel 1 - 50 remotes, Channel 2 - 20 remotes, Channel 3 - 20 remotes
Compact design fits most gate and commercial door operators
Provides convenient access to gated communities, industrial facilities, and commercial sites all with a single transmitter solution
Multiple remote control options available to provide secure access from the safety and convenience of a vehicle