Liftmaster 412LM Receiver

Liftmaster 412LM coaxial receiver Security +

Features:

Universal coaxial reciever with Security+ technology
External 8" antennal included;
Stores up to 15 Secrurity+ remotes or keyless entry codes;
12V DC or 18-35V AC/DC;
Momentary or constant contact, jumper selectable;
Detachable aluminum cover.