Specifications:

• Transmission distance: 30-100meters (open space)
• Model Number: SMG-971LM
• Material: Metal and PVC
• including: Remote Control/Key Chain/English Manual/Battery
• Function4: LiftMaster garage door remote controller transmitter 390mhz
• Function3: LiftMaster 971LM 972LM 973LM 974LM garage command
• Function2: Liftmaster Garage Door opener
• Function1: Liftmaster remote control rolling code
• Frequency: 390MHZ
• Chip: Rolling code
• Brand Name: Scimagic-RC