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Web4Pack 6-LED White/Green Strobe Lights Bar Deck Dash Grill Car Truck 12V-24V. $16.92. Free shipping. 4Pack 12-LED Red/Red Strobe Lights Bar Deck Dash Grill Car Truck 12V-24V. $16.95. Free shipping. 4 LED Car Tow Truck NEW Warning Hazard Flash Strobe Light Bar 12-24V USA. $11.99. Free shipping. WebEven though white light can be created using individual red, green and blue LEDs, this results in poor color rendering, since only three narrow bands of wavelengths of light are being emitted. The attainment of high efficiency blue LEDs was quickly followed by the development of the first white LED. In this device a Y 3Al 5O WebAccording to this document, the photometric output of red, green and blue LEDs should be in a ratio of 3:7:1 repectively to achieve a shade of white represented by 1931 CIE … bitmain s19 pro+ hyd