Operates at 868MHz with Rolling Code (Blue LED) Security - Only works with compatible gate or garage systems that use dynamic code transmission; not compatible with fixed-code (red LED) devices. Supports Four Channels for Multi-Gate Control - Can operate up to four separate entry points (e.g., main gate, side door, garage) when programmed to matching receivers. Compatible with Specific Blue-LED 868MHz Models - for use with HSE4-868-BS, HSE2-868-BS, HS4-868-BS, HS5-868-BS, HS1-868-BS, HSD1-868-BS, and HSD2-868-BS transmitters and receivers. Programmable via Code Copy or Direct Receiver Pairing - Can clone signals from an existing working remote or be synced directly through the receiver's learning mode. Built with a Metal Housing for Long-Term Use - More robust than standard plastic remotes; designed for outdoor environments and frequent daily operation., Weight: 0.27778245012 Pounds, Manufacturer: Wesafrae