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2. Automotive lighting - Wikipedia

   en.wikipedia.org/wiki/Automotive_lighting

   The emergency stop signal is automatically activated if the vehicle speed is greater than 50 km/h (31 mph) and the emergency braking logic defined by regulation No. 13 (heavy vehicles), 13H (light vehicles), or 78 (motorcycles) is activated; the ESS may be displayed when a light vehicle's deceleration is greater than 6 m/s 2 (20 ft/s 2) or a ...

3. Strobe light - Wikipedia

   en.wikipedia.org/wiki/Strobe_light

   A common use of a strobe flash is to optimize a car engine's efficiency at a certain rotational period by directing the strobe-light towards a mark on the flywheel on the engine's main axle. The strobe-light tool for such ignition timing is called a timing light. Strobe lighting has also been used to see the movements of the vocal cords in slow ...

4. Light-emitting diode - Wikipedia

   en.wikipedia.org/wiki/Light-emitting_diode

   One-color light is well suited for traffic lights and signals, exit signs, emergency vehicle lighting, ships' navigation lights, and LED-based Christmas lights Because of their long life, fast switching times, and visibility in broad daylight due to their high output and focus, LEDs have been used in automotive brake lights and turn signals.

5. Carbide lamp - Wikipedia

   en.wikipedia.org/wiki/Carbide_lamp

   They were once favoured for their relative illumination per mass of fuel compared to battery-powered devices. [ citation needed ] Before the advent of high-intensity light-emitting diode (LED) illumination with lithium-ion batteries, carbide also had two important advantages over the alternative of miners electric lamps.

6. Security alarm - Wikipedia

   en.wikipedia.org/wiki/Security_alarm

   Normally, light from the light source shoots straight across and misses the sensor. When smoke enters the chamber, it scatters the light, which then hits the sensor and triggers the alarm. Photoelectric smoke detectors typically respond faster to a fire in its early, smoldering stage, before the source of the fire bursts into flames.

7. Kojak - Wikipedia

   en.wikipedia.org/wiki/Kojak

   In 2022, there are selling sites with vehicle lights and strobes. One model by Grote is the "BEACN KOJAK TEAR DROP 12V RED" as Mfr. Model # 76032 which is a 12volt cigarette lighter plug and cord attached to a magnetic mounted base strobe light.