Honeywell Home 4939SN-GY V-Plex Surface Mount Contact with Cover, Grey

Programmable surface mount contact designed for reliable security monitoring. Compatible with control panels supporting serial number device capabilities for multiplex polling loops. Features a standard gap of 1-1/4" (32 mm) for precise detection. Includes protective cover for enhanced durability. Ideal for seamless integration into existing security systems requiring dependable contact monitoring and system performance optimization.