Chamberlain 0.5-HP Power Drive Chain Garage Door Opener
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1/2 HP motor with industrial-strength, rugged chain drive
Quick-and-easy-to-install 5-piece rail system fits most garages with 7' high garage doors - extension kits required for garage doors that are 8' (model 7708CB) or 10' (7710CB) in height
Delivers 75 watts of light with adjustable light time delay
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