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 are found in the 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

Battery Required : 23a 12V
Frequency Type : RF/Bluetooth
FCC ID : 300mhz
Dimensions: 3.00 x 2.00 x 1.00 (W x L x D, inches)