Availability: In Stock Merlin® 3 button "Bear claw" mini remote control, controls up to 3 doors or gates. The code between the the remote control and the receiver changes with each use, randomly accessing over a billion new codes. Features Frequency: 433.30 / 433.92 / 434.54Mhz AM. Encryption: Security+2.0. Battery: CR2032. Supplied: boxed.