Safety sensors, namely, carbon monoxide detectors, smoke detectors, and combination carbon monoxide and smoke detectors; Alarms for the detection of inflammable gases; Devices for detecting fire; Heat detecting apparatus; Burglar alarms; Electronic door alarms; Gas testing instruments; Electronic glass break detectors; Electronic apparatus, namely, motion detectors; Security control panels and motion detectors; Magnetic door switches; Thermo-hygrometers; Reed switches for use with security co...