flasher

blinker

Vehicle directional signal

• indicatorSign revealing status
• hazardSource of potential harm
• directionalIndicating a path

dashboard · automotive · relay · fuse · wiring · toggle · intermittent · bulb · LED · four-way

exhibitionist

One who exposes themselves

• indecentOffensive to accepted standards
• trenchcoatBelted, knee-length raincoat
• pervertCorrupt or distort

streaker · public · lewd · obscene · arrest · offense · criminal · deviant · nudity · victim

ambulance

Emergency medical transport

• sirenWailing alert device
• policeCivil law enforcement
• firefighterEmergency blaze responder

rescue · paramedic · strobe · lightbar · beacon · warning · roadside · tow-truck · caution · accident

speedlight

Portable photographic strobe

• strobeRapidly pulsing light
• hotshoeCamera flash connector
• syncCoordinate timing or data

diffuser · bounce · fill · TTL · studio · trigger · wireless · softbox · modifier · recycle

tip-up

Ice-fishing strike indicator

• flagCloth symbol or signal
• trapDevice for catching animals
• rigEquipment arrangement or vehicle

pike · walleye · perch · shanty · hole · strike · spool · trigger · spring-loaded

sonar

Underwater detection by echoes

• LCDLowest shared fraction bottom
• transducerEnergy form converter
• bottomLowest point or underside

structure · lure · jig · real-time · underwater · display · targeting · ice-fishing

• traffic controlstop light, traffic light, traffic signal, crosswalk, traffic camera
• criminalsmurderer, thief, burglar, criminal, killer
• ice fishingice fishing, ice auger, tip-up, tip-ups, ice hole
• fish findersfish finder, echo sounder, depth finder, transducer, gain
• spearfishingspearfishing, speargun, harpoon, spear tip, spear tips
• construction sitehard hat, hard hats, foreman, cones, cranes