• Compatible with Sears, Chamberlain and Liftmaster
• 315 MHZ Frequency, over 100 billion codes with code rotating technology
• Optimize electronic stability and range
• Featuring Enhanced Radio Technology (ERT)
• 3 channel/button transmitter, compatible with models manufactured from 2005 to 2011
• include visor clip and instructions .
  
• Open/close one garage door opener
• Turn garage door opener lights on/off
• Works for purple learn button and purple antenna units .