Description: Compatible with Genie Garage Door Openers with Internal or External Receiver with 12-Dip Switches For Genie Garage Door Opener models from 1982 to 1992: Blue Max, GG1950, GG1810, GS900, GS920, GS940, GS975, GS810, GS810A, GS815, GS840, GS210, GS250, SP99, SP129, SP229, LD100, LD500, LD100A, LD550A, LAD125, LAD555, CM6000, CM6000A, CM60, CM70, CM80, CM60S, CM70S, CM80S, PMX60, PMX70, PMX80, PRO83, PRO93, PRO88S, PRO98S, CM7500, CM8500, CM7500S, CM8500S, SD9500, SD9000, SD8000, SD2500, SD5000, GXL/GX/G Series 9500 9000 8000 2500 5000 10000 Features & Specifications 12 dip switch style GENIE only 12 dip switch 390mhz remote Operates with Genie receivers and transmitters Test/operate LED Visor clip included Black Case case Power: Long-life 12 V battery Frequency: 390 MHz