LiftMaster 850LM 4-Remotes with Receiver Set

Three channels provide expanded remote control capacity:

Channel 1 - 50 remotes

Channel 2 - 20 remotes

Channel 3 - 20 remotes

Features provide convenient access to gated communities, industrial facilities, and commercial sites all with a single transmitter.

Multiple remote control options are available to provide secure access from the safety and convenience of a vehicle

Compact design fits most gate and commercial door operators

Compatible with 811LMX and all MAX remote controls

Narrow-band on 310 MHz, 315 MHz, and 390 MHz Security+ 2.0™ Rolling Code and Encrypted DIP

1-year warranty