magnetic door contact for sale, brand-new and used.

Honeywell Comercial grade 4959SN overhead door contact. V-plex serial number addressable point ID. Check out my other listings and thanks for looking

2GIG-DW20-345 Wireless Door/Window Contact Sensor ETL Listed NEW - 2GIG Wireless Door/Window Contact / Sensor Transmitter - NEW Items are NEW. (Includes retail sleeve on outside).

2GIG-DW10-345 Wireless Door/Window Contact Sensor ETL Listed NEW - 2GIG Wireless Door/Window Contact / Sensor Transmitter - NEW Items are NEW. (Includes retail sleeve on outside).

GE Security, 1" magnetic door contacts, White. This auction is for one (1) package containing one (1) contact with magnet. Save $$ on shipping when ordering multiple items.

LNL-1300 OVERVIEW: Lenel offers a Single Reader Interface (SRI) module for access control solutions. Access control card readers, keypads, or readers with keypads that use standard Wiegand Data1/Data0 or Clock/Data communication are supported, as are those supporting the bidirectional RS-485 Open Supervised Device