Safety Technology International (STI) is a manufacturer of covers, cages and alarms to prevent damage to building equipment and theft. The company is affiliated to SIA and NFPA. The extensive STI product catalogue includes various products under the Wireless Alarm, Enclosure, Safety Switch Mat and Edge Controller, Horn Strobe, Fire Extinguisher Alarm and PIR Motion Sensor product categories. These STI products have applications in schools, colleges, gas stations, nursing homes, grocery stores and correctional facilities. STI's alarms come in polycarbonate and ABS plastic housings with a coverage range of up to 1000 m. Choose from a wide range of these alarms, cycle timers and related accessories on Raptor Supplies.