Seco-Larm SS-299Q Single-Gang Wall Plate 2x 4D-HL MTO10

The Seco-Larm SS-299Q is a single-gang wall plate designed for use with Seco-Larm security and life-safety installations. It accommodates two 4D-HL MTO10 devices, providing a clean, organized mounting solution for alarm system components in commercial and residential security applications. As a genuine Seco-Larm accessory, it integrates seamlessly into professional security system builds where tidy cable management and reliable device mounting are priorities.

Key features & benefits

• Single-Gang Form Factor — Designed to fit standard single-gang electrical boxes, allowing installation in existing wall cutouts without additional modification to the mounting surface.
• Dual Device Configuration — Accommodates two 4D-HL MTO10 devices in a single plate, consolidating multiple alarm or security components into one clean mounting point.
• Genuine Seco-Larm Component — Manufactured by Seco-Larm, a recognized name in professional security hardware, ensuring consistent quality and dimensional accuracy for system integrators.