Industrial Covert Unlimited is in its 20th year of operation. CU1.COM has been up since mid 1999. Great security & CCTV products and people who answer the phone!
Check this out!
Securityman SM-87L Wireless Smart Door/Window Sensor Air-Alarm2 Accessory
Is now compatible with classic Air-Alarm systems!!!
The SecurityMan SM-87L smart wireless door/window sensor is a accessory component for the SecurityMan Air-Alarm2
wireless security system. As always this piece of SecurityMan equipment is a high quality cctv product.