NEW 315mhz remotes for 2005 garage door openers and later by Liftmaster. Liftmaster is Changing frequencies due to the military using 390mhz and interfering with residential garage doors.
390 MHZ Frequency, works on models from 1984-1992 with 8 or 9 three position dip switch systems. 12V battery and visor clip included. Sears Craftsman compatible
4 Channel liftmaster remote featuring rolling code technology and security +
One "LEARN" channel to activate shared Liftmaster radio-controlled devices. Two five year lithium batteries included (3 volts)
Chamberlain TC-4 Tri-code remote four button, universal remote compatible with Multi-Code, Linear (Delta 3) & Stanley. Four channel transmitter can be set on seperate codes. Works with both 8 and 10 dip switch systems.