Firefly 300MCD21K Garage Door Opener Keychain Remote
Firefly 300MCD21K Garage Door Opener Keychain Remote
FEATURES & SPECIFICATIONS
- 10 dip switch style
- 300mhz keychain remote
- Compatible with Multi-Code receivers and transmitters
- Test/operate LED
- Keychain model
- Black case
- Gray button
- Power: Long-life 12 V battery
- Frequency: 300 MHz
- 10 Dip switches found in battery compartment
COMPATIBILITY
- Chamberlain® -300mc
- MULTICODE® REMOTES: 3089 or 308911, 1089, 3083, 4120, 3070 and 3060
- DIGI-CODE® REMOTES: DC5010 and DC5040 transmitters.
- HEDDOLF® REMOTES: P-219, Apollo 300Mhz,
- CARPER® 300Mhz
- KEYPADS: DigiCode® 5200 , Dolphin® Dual Frequency 300/310, Keystone® M330-1KA Wireless®300Mhz, Multicode® 4200 300 MHz
- RECEIVERS: Multicode® 4200 300 MHz , MULTI-CODE® 302850 , MULTI-CODE® 109950, MULTI-CODE®109020, MULTI-CODE® 302101, DigiCode® Model 5110, DigiCode® Model 5120 DigiCode® Model 5100
- Part No: TRAFIR300MCD21K-3
- firefly-300mcd21k-multicode-300mhz-compatible-10-dip-switch,Firefly 300MCD21K multicode 300mhz compatible 10 dip switch
DOWNLOAD
glad I bought this one 
Posted by Unknown on 4th Mar 2014
I was sort of surprised by how small it was but it works really well. I just attach it to my keys and it doesn't bulk up my already large bunch so thumbs up from me.
Does what it says so I recommend it :)