Liftmaster 412HM Univeral Coaxial Receiver

Chamberlain Liftmaster 412HM Universal Coaxial Receiver Compatible with Security+ (Rolling Code), Billion Code, and Dipswitch Transmitters 12V DC or 18-35V AC, Jumper Selectable Normal security mode stores up to 31 Liftmaster remote controls High security mode stores up to 18 Security+ Remotes 390MHZ PRODUCT INFO PAGES Click Here for Instructions We have 15 years experience working on these products in the field. Please contact us if we can be of any assistance!