Chamberlain 300MC Chamberlain's Multi code 3089 compatible 300 MhZ 10 dip switches for original equipment search 308911.
300MC Multi-Code 3089 Compatible unit manufactured by Chamberlain 300 Mhz Freq 10 dip switches inside.
Red LED indicates battery strength and signals sent transmission 12V battery and directional visor clip included Easy access to 12V battery and DIP switch 300MHz One-button Multi-Code ** compatible Not compatible with LiftMaster® or Security+® receivers ** Multi-Code is a trademark of The Linear Corporation
