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Swing arm assembly with quick-release mechanism
compatible with up to 50 remote controls (unlimited with model 811LMX or 813LMX)
it supports gates up to 30 feet and 1000 pounds
Frequency: 315 MHz
Optional Transformer Kit: 3PHCONV for 208/240/480/575VAC site input conversion to 120VAC output
LiftMaster 971LM Security+ 1-Button Remote Control brushless-motor Swing arm assembly with quick-releaseRemote Access for Garage and Gate Systems The LiftMaster 971LM is a single button remote control designed for secure operation of one garage door or gate. Featuring Security+ rolling code technology, this remote transmits a new code every time the button is pressed, helping prevent unauthorized access. It is compatible with LiftMaster Security+ openers operating on the 390 MHz frequency and is ideal for homeowners and property managers who need a
