Liftmaster Chamberlain 61LM Visor Garage Door Remote Transmitter 61LM 62LM 63LM 9 dip switch style LIFTMASTER, sears craftsman 390mhz only remote. Covers chamberlain brand dip switch style remotes from 1984 to 1993Operates with LiftMaster receivers and transmittersTest/operate LEDVisor clip includedBlue casePower: Long-life 12 V batteryFrequency: 390 MHz
