Honeywell Home 5816 2-Zone Door/Window Transmitter, White

Secure doors and windows with a compact, professional-grade transmitter designed for dependable perimeter monitoring. The Honeywell Home 5816 2-Zone Door/Window Transmitter combines two sensing options — built-in magnetic reed switches plus a wired closed-circuit loop — so integrators can protect two points or add tamper‑resistant redundancy without extra hardware. Engineered for wireless security systems and compatible with VISTA panels, the 5816 delivers proven outdoor range and supervised operation powered by a replaceable CR123 battery for fewer service calls.

Installers appreciate the small white enclosure and versatile mounting options that speed installation and simplify retrofits on residential and light-commercial projects. UL Listed and certified for residential burglar and fire applications, this transmitter supports consistent monitoring, surveillance integration, and code-compliant deployments. Choose the Honeywell Home 5816 to reduce installation time, improve perimeter reliability, and provide clear, continuous protection for customers. Order now to add robust door/window detection to your security or monitoring solution.

• Protect entrances and assets with reliable two-zone detection that monitors both a built-in magnetic reed and a wired contact loop
• Flexible installation for residential or light-commercial sites — supports wireless monitoring with VISTA compatibility and outdoor use
• Simplifies retrofits and reduces install time by combining two sensing options in one compact transmitter
• Long-range wireless performance and supervised CR123 battery ensure consistent security coverage and low maintenance
• UL Listed and CSFM/UL Canada certified for trusted code compliance and dependable perimeter surveillance