Access Master 412HM receiver 390mhz

Features

• Access Master Security+ code rotating technology. The code between the remote and receiver changes with each use for added security
• Includes Receiver, Antenna, Wire and Instructions
• Over 100 billion possible codes in High Security mode, this receiver will work on 12 volt DC or 18 - 35 volts AC/DC, jumper selectable.
• Can be used with up to 18 Security+ (code rotating) transmitters or 31 of ANY type transmitter including billion code, code rotating or code switch remote
• Momentary or constant contact, jumper selectable.
• Will work with ALL Lift-Master, Sears or Chamberlain remotes as described above.