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The Chamberlain/Liftmaster 1LM Security Plus 1 Button is a reliable and compact transmitter designed for seamless compatibility with Sears and Craftsman garage door openers. Operating at a frequency of 390 MHz, it boasts an impressive range of 100ft and is powered by a long-lasting 3V lithium battery. This authentic Liftmaster product requires no assembly, making it the perfect solution for effortless access to your garage.
| Brand | LiftMaster |
| Item Weight | 27 g |
| Assembly Required | No |
| UPC | 753182403519 |
| Global Trade Identification Number | 00753182403519 |
| Manufacturer | Chamberlain Group |
| Country of Origin | USA |
| Item model number | 971LM |
| Product Dimensions | 10.16 x 5.08 x 0.13 cm; 27.22 g |
| ASIN | B00283OCOM |
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