The ultra thin low profile design of this 3 LED warning light allows for easiermounting and a slimmer appearance. Lights come with standard black snap onbezel and mounting pad. Optional M50137 chrome snap on bezel . 17 selectableflash patterns.”LED” represent the cutting edge of lighting technology, LED lights operate ona totally different concept than traditional incandescent or bulb style lights.Instead of using a brittle metal filament that is susceptible to road shock andvibration. LEDs are solid-state devices utilizing an electronic chip that isencapsulated in an epoxy substrate. This design provides increased durabilityand a protective seal from road elements like dirt moisture and other corrosiveagents. 17 Selectable Flash Patterns Class 1 & Title 13 Included Synchronized / Alternating Flash Polycarbonate Lens & Housing Snap-On Black Bezel Included Low Profile Design Completely Resin Sealed Electronics Optional Chrome Bezel Optional Stainless Steel L Bracket 5-Year Warranty LEDs: 3 3-1/2″W x 4/5″D x 1-7/10″H Amp Draw: 200ma 12V Voltage: 12.8VDC Connector: 4 Wire 7″ Blunt Cut Leads Mounting: SurfaceAccessory Options Available: Stainless Steel Mounting Bracket: M50115 Black Vinyl Grommet: M50141 Black Vinyl Wide Channel Grommet: M50142