Products · Exterior Security Devices

Exterior Security Devices

The most common is an exterior beam detector. It can be programmed to trigger sirens if the beam is broken in its coverage area.

OPTEX Products
Electronic Beams

National Security, Inc.
10410 Main Street
Fairfax, Virginia 22030

VA: 703-273-5555
MD: 301-656-6466
Loudoun Co: 703-771-1000
Toll Free: 800-886-0886
Fax: 703-273-0885