Chamberlain 940CB Security and Wireless Keypad[Product Information]- Enter your model numberto make sure this fits.
- Security+ rolling code technology protects your home from code grabbers
- Allows garage access without remote using private 4-digit security code
- No wiring required， mounts with just the two included screws
- Programmable access feature allows you to set a one-time access code
- Compatible with 390 MHz units
