Carper CX-300 Mini Key chain One-Button 10 DIP On/Off Code Switch 300MHz Type Gate Or Garage Door Opener Remote Multi-Code, Multi Elmac Compatible With A Built-In Key Light.
Compact lightweight and extremely durable key chain remote directly compatible with Multi-Code 3089, 3060, 3070, Digi-Code 5010, 5040
Manufactured by Sirius

Carper CX-310 Mini Key chain One-Button 8 DIP On/Off Code Switch 310MHz Type Gate Or Garage Door Opener Remote Linear Delta3 Moore-O-Matic Compatible With A Built-In Key Light.
Compact lightweight and extremely durable key chain remote directly compatible with Linear Delta3 series of remotes DTA, DTC and LB-B (Mini-T also know as the Ladybug) and older Moore-O-Matic remotes with 8 DIP on/off code switches on 310MHz
Manufactured by Sirius

Carper CX-318 Mini Key chain One-Button 9 DIP On/Off Code Switch 318MHz Type Gate Or Garage Door Opener Remote Allstar, Allister, Pulsar Compatible With A Built-In Key Light.
Compact lightweight and extremely durable key chain remote directly compatible with Allstar, Allister or Pulsar remotes that have 9 binary code switches with on/off positions 921, 9921 series on 318MHz.
NOT compatible with the Trinary (+, 0, -) versions of remotes
Manufactured by Sirius

Carper CX-318-1 Mini Keychain One-Button Trinary (+, 0, -) Type Code Switch 318MHz Gate Or Garage Door Opener Remote Allstar, Allister, Pulsar, GTO, Mighty Mule Compatible With A Built-In Key Light. Compact lightweight and extremely durable key chain remote directly compatible with Allstar, Allister, Pulsar, Mighty Mule and GTO remotes that have 9 trinary code switches with (+, 0, -) positions including the ADX or PDX 931, 9931, 832, 8832, 833, 8833 versions on 318MHz.
NOT compatible with the Binary ON/OFF versions of remotes
Manufactured by Sirius

Carper CX-390 Mini Key chain One-Button Genie 9 or 12 DIP On/Off Code Switch 390MHz Gate Or Garage Door Opener Remote Genie Compatible With A Built-In key Light. Compact lightweight and extremely durable key chain remote directly compatible with Genie 9 or 12 on/off codes switch models of remotes such as ALT90-1, AT85, AT85P, AT90, CT90, GPT90-1, GT90-1, GT912, LD12, LD90-1, MAT85, MAT90, PMT90-1, RC10.
Manufactured by Sirius