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2. Emergency vehicle lighting - Wikipedia

   en.wikipedia.org/wiki/Emergency_vehicle_lighting

   Tow trucks are required to be equipped with amber lights but such lights may be operated only 48 inch LED rooftop emergency strobe warning lights bar w/adjustable mounting brackets-white amber lighting except for four amber/white LED's mounted in the grill and turn signal light side view mirror LEDs.

3. Automotive lighting - Wikipedia

   en.wikipedia.org/wiki/Automotive_lighting

   UN Regulation 87 stipulates that DRLs must emit white light with an intensity of at least 400 candela on axis and no more than 1200 candela in any direction. [40] In the US, daytime running lights may emit either amber or white light, and may produce up to 7,000 candela. This has provoked a large number of complaints about glare. [41] [42]

4. LED lamp - Wikipedia

   en.wikipedia.org/wiki/LED_lamp

   A 230-volt LED filament lamp, with an E27 base. The filaments are visible as the eight yellow vertical lines. An assortment of LED lamps commercially available in 2010: floodlight fixtures (left), reading light (center), household lamps (center right and bottom), and low-power accent light (right) applications An 80W Chips on board (COB) LED module from an industrial light luminaire, thermally ...

5. Light-emitting diode - Wikipedia

   en.wikipedia.org/wiki/Light-emitting_diode

   1 watt 9 volt three chips SMD phosphor based white LED. Among the challenges being faced to improve the efficiency of LED-based white light sources is the development of more efficient phosphors. As of 2010, the most efficient yellow phosphor is still the YAG phosphor, with less than 10% Stokes shift loss.

6. Traffic light - Wikipedia

   en.wikipedia.org/wiki/Traffic_light

   This is an accepted version of this page This is the latest accepted revision, reviewed on 6 February 2025. Signaling device to control competing flows of traffic This article is about lights used for signalling. For other uses, see Traffic light (disambiguation). "Stoplight" redirects here. For other uses, see Stoplight (disambiguation). An LED 50- watt traffic light in Portsmouth, United ...

7. Nissan GT-R variants - Wikipedia

   en.wikipedia.org/wiki/Nissan_GT-R_variants

   Revisions were made to the geometry up front to optimize wheel positioning under high g-force, while the rear gets a stiffer and hollow 17.3 mm (0.68 in) stabilizer bar. Nismo-spec Dunlop SP Sport Maxx GT 600 DSST CTT run-flat tyres provided more grip, along with lighter Rays 20-inch forged alloys wheels. The standard aluminium boot lid, bonnet ...