Thermostats; Timers; Carbon monoxide detectors; Digital weather station instruments; Fire alarm and emergency evacuation devices, namely, fire alarm control panels, smoke detectors, heat detectors, alarm pull stations, audible and visible notification appliances, strobes, sirens, bells, horns, and speakers; Fire alarms; Fire and smoke detectors; Fire blankets and fire extinguishers; Gas detectors for detecting the presence of gas; Non-medical stethoscopes for detecting water leaks; Safety sen...