Resideo 4959SN V-Plex Addressable Overhead Door Contact

V-Plex is the patented polling loop technology that literally defines price and performance on a simple pair of wires. By using two wires instead of four, V-Plex offers significant advantages over home run wiring or the conventional four-wire multiplex-providing economical expansion of peripheral devices and point identification to your central monitoring station.

Main Features

• Rugged aluminum housing and adjustable L bracket type magnet
• Standard gap: 2 (51 mm)
• 24 (61cm) armored cable