• COMPATIBILITY for Remote Control Model: 811LM, 811LMX, 813LM，891LM，893LM，890MAX, 893MAX, 895MAX, 892LT, 894LT and all MAX remote controls.
• COMPATIBILITY for Keypad Model: 877LM, 877MAX. Antenna Extension Kits: 86LM, 86LMT. The compact design fits most gate and commercial door operators.
• 3-CHANNEL DESIGN: The 850LM receiver can be used as a single or three channel receiver to control up to 3 gates or commercial door operators. The receiver can also be used with a 3-button remote control to operate the OPEN, CLOSE, and STOP feature on a commercial door operator.
• CONTROL MULTIPLE OPERATORS: 850LM commercial door operators receiver can control multiple operators with a single transmitter. Each channel is compatible with a certain number of remote controls and keypads. Refer to the list below: Channel 1 can program 50 remote controls and 2 keypads; Channel 2 can program 20 remote controls and 2 keypads; Channel 3 can program 20 remote controls and 2 keypads.
• EASY TO PROGRAM: The product package contains a detailed user manual, which can help you complete the 850LM receiver to program the remote control as soon as possible.
• WARM TIPS: 850LM Accessories are compatible spares (non-original), the above brand names and any related model names are only used to demonstrate compatibility.