The Liftmaster 373 LM 315Mhz Security+ Remote Control Transmitter with Chamberlain Liftmaster models with a purple learn button under the light cover of the powerhead. The 373LM is the same as the 953D remote, except black in color instead of blue. Both are manufactured by Chamberlain. Operates up to three garage doors.
Item# : SPM3237507702
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