The classic model in now available in LED's. 3 Hole permanent mount. Specifications and Features: Star X-Fire™ Technology,  12 different selectable flash patterns plus steady on. Exceeds SAE Class I J845 standards on amber short or tall dome.  S-Link System™ synchronizing capabilities with other STAR LED units, hardwire only.  Extremely low current draw. Durable polycarbonate , twist on/off lens. Lightweight polycarbonate, universal flange base, three hole permanent mount, 1" pipe mount. Dimensions: (Tall Dome)6-11/16"H x 6-13/32" dia, (Short Dome) 4-3/4"H x 6-13/32"dia. Voltage: Perm. mount 9-32DC Amp Draw: 0.5 amps @ 12V DC, 0.3 amps @ 24V DC. Lens colors available: amber, blue, green, red, (clear lens with amber leds). Also available with optional magnetic or vacuum mount. Made in USA. Sold to authorized personnel only - please check local and state laws.  Allow 2-4 weeks for delivery.