The BUILTBRIGHT® Work Bar Strobe 4 Slim is an extremely slim versatile warning device that produces the most amazing visibility for your vehicle. The unit’s ultra slim design gives you the flexibility to mount it anywhere on your vehicle’s exterior surface. The unit houses six or twelve premium quality 3 Watt LEDs with proprietary optics, with 54 flash patterns in single or dual color options. The three memory functionality allows different preset flash modes based on your customized choice. Our Work Bar Strobe 4 Slim were designed and tested against the harshest of conditions with all the usual premium quality feature such as IP69K, SAE Class I, EMC R10. Whether it is emergency services or amber safety. Meet All SAE J845 Class 1, ECE R65 And R10 Requirements Compatible With 12 And 24 Volt DC 12 High-Intensity LEDs Behind Unique Optical Lens 3 User Programmable Modes Dual Color White And Amber 54 Flash Patterns Multi-Unit Synchronization In Simultaneous Or Alternating Flash Low Profile Design Promotes Clean, Streamlined Aesthetics Waterproof Connectors Provided Limited 5 Year Warranty