Aircraft Grade T6061 Billet Aluminum Chrome or Black Anodized Finish 48 Genesis LEDs with Lifetime Warranty Double O Ring Design Stainless Steel Mounting Hardware Choice of Amber, Red, White, Amber/Red Dual Color Dynamic Cluster™ (running-brake-turn), or Amber/White Dynamic Ringz (Running-Turn) LEDs Amber, Red, White LEDs are 3 Wire Dual Intensity Amber/Red Dual Color are 4 Wire Dual Intensity Run/Brake Red & Amber Turn SignalsAmber/White Dual Color Dynamic Ringz™ are 3 Wire 24 LED Outter White DRL, 24 Amber Inner Turn Signals, White Turns off While Turn Signal is on. 3.125" Long x 2.25" Diameter