Chamberlain Liftmaster 61lm/stinger 390lmd21v Review

Average Reviews:

(More customer reviews)Bought this to operate a mid-1990's Sears garage door opener, and it works as expected. Took just a few seconds to program (basically, just hit the "learn" button on the garage door opener motor and operated the remote), has good range (I get about 100') and it's small and compact. Only gripe is that it seems a bit fragile and flimsy, so I'm a bit concerned about how long it will last. Still, for the price, you get something that works well with minimal hassle.

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Product Description:
THE STINGER IS A VERY SMALL (1-5/8 X 3"X 1/2") VISOR STYLE WIRELESS TRANSMITTER OPERATING AT 390MHZ.THE STINGER ACHIEVES ITS SMALL SIZE BY USING STATE-OF-THE-ART,SURFACE MOUNT COMPONENTS. IT HAS BEEN DESINGED FOR USE WITH AND IS COMPATIBLE WITH CHAMBERLAIN, LIFTMASTER, SEARS GARAGE DOOR OPENERS 61LM COMAPATIBLE