Chamberlain 850CB for use on the following Chamberlain garage door operator model numbers with Green learn buttons Dimensions: 3 x 1.5 x .5 inches Note: Product substituted with compatible Liftmaster profession product.
Replaced by 893Max
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850CB Programming Instructions (click here)
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Chamberlain 850CB Transmitter Single Button 390 Mhz works with Smart Code Green learn Button Receivers.
