Product Description Genie GT-912 Single Button Remote, ,Single-Function Remote Control ,Replaces:  AT85,AT85P,AT85-390,MAT85,AT90,ALT90,CT90,GT90,LD12,LDT90,MAT90,GPT90,PMT90,& RC10   ,9 or 12-Dip Switch Compatible ,Visor Clip Included ,390 Mhz Frequency ,9 Volt Battery Included €  All Genie Garage door openers manufactured since 1996 are equipped with Intellicode Access Security.     Intellicode or Code-Dodger prevents unauthorized access to your Garage because the opener does not respond to the same Access Code more than once.     Each time the system is activated, it automatically selects a new Access Code from 4.3 billion combinations.     Prevents thieves from entering the Garage by eliminating Access Code duplication.   Eliminates the need to set Security Codes when installed.   Recognizes Security Codes from up to seven transmitters used to activate the same opener. ,**1yr. Manufactures Warranty**