February 19, 2008 Smart Target has developed a wireless proximity alarm system designed to boost child safety by helping parents quickly locate wayward young ones and keep them within a pre-set ...

Proximity sensors, which are designed to detect the presence of nearby objects without any physical contact, have evolved from narrow application in industrial automation systems into broad use. They ...

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 ...