Frequency: Dual-frequency in one remote (315Mhz, 330Mhz, 433Mhz, 390Mhz etc.
TO prevent lost and to replace the original old and break remote.!
1. Dual-frequency in one remote
2. Self learning remote control
3. Many uses including car alarms, home alarms, panic buttons, garage door, rolling curtain, etc
4. Copies most radio frequency fixed code remote controls
5. Learining face to face in seconds
6. Battery included
Chips of fixed code type: