Security Door Controls 491-BB Blue Surface Mount Box for 491 8mm It features a powerful audible

It features a powerful audible alert combined with a bright visual strobe

The built-in rechargeable lithium battery ensures long-lasting usage

unwavering quality

265 Smart Coding technology allows for more efficient bandwidth utilization

Security Door Controls 491-BB Blue Surface Mount Box for 491 8mm It features a powerful audibleThe Security Door Controls 491 BB is a durable, surface mounted enclosure designed to house the SDC 491 series push button exit switches. Constructed from high quality materials, this blue colored mount box provides a secure and professional installation for emergency exit and access control systems. Its rugged design ensures long lasting durability in commercial, industrial, and institutional applications. With pre drilled mounting holes, the box