WAUKESHA, Wis.—Two former alarm company owners, Michael Keegan and Chris Utter, have teamed up with a company called Magnasphere to bring a new kind of door contact to the alarm industry, one that ...

The YL-333 Magnetic Antitheft Alarm is an easy to install security alarm system for doors and windows. This battery-operated device works on the principle of magnetic proximity detection. It can ...

The 5811 installs easily with the included mounting hardware or double-sided adhesive tape. It is easy to open, requires no special tools, has a case tamper and includes a 3V lithium battery. It is ...

Tane Alarm Products, New Hyde Park, N.Y., has added four waterproof alarm contacts to its current line of commercial alarm contacts in track-mount, overhead and surface-mount ... The Tane TV-330 is a ...