warning device
Danger notification system
A warning device is any mechanism designed to alert people to danger or potential hazard.
Fire alarms, car horns, and smoke detectors are warning devices.
The term appears frequently in technical, legal, and safety contexts: The vehicle was equipped with an audible warning device, Building codes require warning devices on all floors.
- smoke detectorCombustion particle sensor
- fire alarmEmergency heat warning device
- beaconGuiding light source
- semaphoreFlag-based signaling system
- buzzerElectric signaling device
alarm · car alarm · siren · horn · bell · strobe light · flashing light · rumble strip · chime · klaxon · dead man's switch · panic button · whistle · signal flag · red flag · public address system · textured surface · weather radar
warning devicesafeguard
Precaution against harm
hazard · protective barrier · booby trap · trap · safety mechanism
warning devicesilencer
Sound-dampening gun attachment
cloaking device · suppressor · muffler · jammer · stealth technology
warning, warn, warns, warned, warnings, warningly, device, devices, devise