LiftMaster 635LM Universal Plug-in Receiver and Three LiftMaster 971LM Remote all with Security+ rolling code technology.
This set is ideal as a replacement for non-working radio controls or to upgrade to the newer rolling code technology. Works with any garage door that has push button connection. Receiver plugs into standard 115Vac outlet.

This is a brand new LiftMaster model 635LM universal plug-in single channel radio receiver and three 971LM transmitter. Ideal for use as a replacement radio control or to upgrade to rolling code technology. Works with all LiftMaster, Chamberlain and Sears remotes that use either code switches or security+ technology operating on 390Mhz. Receiver plugs into a standard power outlet and wires to either the remote push button or directly to the garage door opener. Controls one door/gate. Receiver is new in box and includes 2 conductor bell wire, wire clips, installation and instructions. Remotes are new and includes visor clip, battery and instructions.
Note: Will not work with remotes that operate on 315Mhz frequency.

Product Features:
Activates one garage door opener
Receiver accepts up to 8 Security+ remote controls or one DIP switch remote controls
Can be used as replacement or additional radio receiver for existing doors
Power indicator light
Accepts signal from wireless keypad model 976LM (sold separately)
Transmitters include visor clip and battery's (installed)

Specifications:
Receiver:
Power: Plugs into standard polarized 115 volt, 60Hz AC outlet
Frequency: FCC certified 390MHZ
Codes: Accepts Rolling Code Security+, Code (DIP) switch remotes
Output: Momentary contact closure rated at 5 Amps

Transmitters:
Power: Two 3 volt lithium battery included
Frequency: 390 MHz
Codes: Features rolling code technology

If you are not positive that this is the correct item for you, please email us. We are more that happy to assist you in determining the correct item for you. If you need to contact us for assistance please have the Make and Model number of the garage door opener, radio receiver or transmitter. We would rather have you contact us than end up with the wrong item and have to return it.