Chamberlain Whisper Drive Model 248754 is compatible with Garadget and like many other Security+ (non 2.0) Chamberlain openers connects to red and white terminals (two on the left).
User Manual can be found here
Chamberlain Whisper Drive Model 248754 is compatible with Garadget and like many other Security+ (non 2.0) Chamberlain openers connects to red and white terminals (two on the left).
User Manual can be found here