Kuryakyn 2555 by Kellermann Bullet 1000 Marker Lights Red/Red/Amber LED, Clear Lens, Satin Black Housing Rear Kellermann's High Power LED Technology: Longlife Protection Guard, IC controlled, 330 kHz clocked. This circuit, together with other measures, ensures that the LEDs achieve their possible lifespan, with maximum brightness and minimum power consumption. The Bullet 1000 Collection: This collection features Kellermann-HPT(Homogeneous Projection Technology) for uniform, spectacularly bright light output. Features a high-quality metal case with a maximum diameter of 39 mm, so it looks as discreet as jewelry when mounted. Available in the two lighting variants, White/Amber and Red/Red/Amber.