433.92 MHz Gate Remote Control, Garage Door Remote Control, 2 Channels, Compatible with S449 QZ1, S449 QZ2, S449 QZ3, S449 QZ4

Broad compatibility & stable frequency: Operates at 433.92 MHz, compatible with Cardin S449 QZ1, S449 QZ2, TXQ449100, TXQ449200 garage door openers. Ready to use, with batteries included upon receipt. Secure dual-channel control: Equipped with 2 buttons, this remote control allows you to manage up to 2 garage doors. With its Rolling-Code technology, it ensures enhanced security against unauthorized duplication attempts. Quick pairing in 30 seconds: Copy your original remote control face-to-face easily and quickly. In case of failure, follow a simple reset procedure (see detailed instructions in the description or images). Compact & ergonomic design: Made of durable, polished plastic, with pleasant-to-touch buttons. Its lightweight and elegant format is perfect for everyday use and easy to attach to a keyring, bag, or backpack.