Radio Receiver 315 MHz (Refer to Accessories Catalog) Key Pads 12V battery and directional visor

12V battery and directional visor clip included

Multiple 3/8' diameter anchoring holes for easy installation

44 - 42/42 Security Couplers

May be used with all LiftMaster industrial operators with type T

Radio Receiver 315 MHz (Refer to Accessories Catalog) Key Pads 12V battery and directional visorAlso known as: 012381993123, 312HMC External 8' whip antenna included. Enhanced Radio TechnologyTM rolling code and or DIP switch compatibility 12 volt DC or 18 35 volts AC DC jumper selectable Momentary or constant contact, jumper selection Two piece aluminum case with detachable cover High security memory stores up to 18 Enhanced Radio Technology remote controls or keyless entry codes Normal security memory stores up to 31 LiftMaster remote control