LiftMaster 971LM Security+ 1-Button Remote Control residential Safety First: Requires Type B1 CI3860FM Select Model:9210-382 #50 Chain (208V Single-Phase) The LiftMaster MA015 Transformer lm-la412

Safety First: Requires Type B1 (photo sensors) or Type B2 (contact sensors) for monitored entrapment protection

The 455D control system requires a monitored closing safety device for operation

solar compatibility

Power Options: 115/230 VAC single phase

providing both safety and convenience

LiftMaster 971LM Security+ 1 Button Remote Control residential Safety First: Requires Type B1 CI3860FM Select Model:9210 382 #50 Chain (208V Single Phase) The LiftMaster MA015 Transformer lm la412 Safety First: Requires Type B1 (photo sensors) or Type B2 (contact sensors) for monitored entrapment protection The 455D control system requires a monitored closing safety device for operation