• Four button
• Self Learn
• 403.55 and 433.92MHz Frequencies

This 4 button transmitter is a new, innovative wireless learning transmitter capable of operating in both frequency bands and learning fixed code as well as code hopping. It serves as a replacement transmitter for various legacy binary, trinary, SMART and French code transmitters in the two major frequency bands. Offers the same great performance as the standard Sentry 4 button code hopping remote control.