75 years of keeping buildings, and the people in them, safe and secure

Our groundbreaking advances have, over the decades, shaped the landscape of commercial security. Today, we’ve pioneered long-range radio, alarm communications and the world’s best- selling glassbreak detectors.

Together, we can forge the future of building security

Ever since we began making buildings more secure, our passion for blazing new technological trails has never wavered. Our team of 300 engineers, inspired by what we’ve learned from millions of dollars spent annually in R&D, is ready for the future. Are you?