LiftMaster 850LM Security+ 2.0 Radio Receiver
Usable Remotes for this receiver are 811LM, 813LM, 892LT, 894LT.
850LM Receiver is used for gated communities and commercial buildings.
 Universal Receiver and accompanying remote controls feature Security+ 2.0™ technology.
 It utilizes a new, innovative and exclusive narrow band multi-frequency radio.
 Supports multiple access points, the main gate, tenant and visitor doors.
 Supports commercial doors, and even parking entrance.
 Three channels provide expanded remote-control capacity: 
 Channel 1 - 50 remotes
 Channel 2 - 20 remotes
 Channel 3 - 20 remotes
 Multiple remote-control options available to provide secure access.
 Use from the safety and convenience of a vehicle.
 Compact design fits most gate and commercial door operators. 
 Receiver available in convenient weather-resistant version (model 860LM)
 Compatible with 811LM, 813LM, and all MAX remote controls
 Power: 12-24VDC or 12-24VAC
 Relay Outputs: Output channels - 1 FORM C and 2 FORM A relays.
Optional 860LM Receiver in Weather-Resistant Version 
Programming Instructions Are Included with Your Order
 Usually Ships in One Business Day!