CD-2 and ACD-220 indoor curtain detectors

Slim, compact and effective. These are the CD-2 and ACD-220 indoor curtain detectors. Use them to cover doors, windows or other entrances to your building with an "invisible curtain". CD-2 is a wired detector, while ACD-220 is a wireless detector, operating within the ABAX 2 two-way wireless system.