CHAMBERLAIN & LIFTMASTER

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Chamberlain and Liftmaster manufacture residential and commercial garage door openers, gate operators, parts, access control and communication equipment, and accessories. Power Drive ® and Whisper Drive® are Chamberlain's brands of residential garage door openers, designed for do-it-yourself installation.

Click here for informative articles written by Mike Panish, Automatic Door Expert Witness, about automatic doors and sensors