The Protech 35588419-P 8 Relays Extension Card expands the output capabilities of your Maxibus Universal controller, providing eight additional relay outputs for enhanced system integration. Factory-installed for seamless plug-and-play operation, this extension card eliminates the need for complex field wiring and ensures reliable performance from day one. Ideal for larger perimeter security installations requiring multiple zone outputs or integration with third-party alarm systems and video management platforms. Maximize your G-Fence system's flexibility and scalability with this essential Maxibus accessory.