Until recently, standard fire detectors relied on a single sensor to detect the presence of heat or smoke to determine if there was a nearby fire. As many homeowners and facility managers can attest, ...

for outdoor use from -40F to 151F. System Sensor is now offering a complete line of outdoor products to complement an already broad line of notification appliances. The horn (H12/24K), horn/strobe ...

Surveillance is most important security systems in home, industrial, office and public places. In this security system is based on the embedded system along with GSM and sensor networks. The human ...