Model Number: TBD267121 lightbar Brand Name: Senken Key Specifications/Special Features: The most scientific and fashion design suitable for variousmodern vehiclesDouble layer design, xenon strobe or LED modules are optionalfor upper layer built, and small LED modules for lower layercontribution, 2 halogens lights built at both end sides for alleylight purposeBuilt-in speaker 80W or 100W are available for the installationin the lightbar middleBoth upper and lower lens cover are polycarbonate withexcellent transparencyRed, blue, amber or clear available for lens color choices

With suitable bracket and hook for the installation purpose, noneed to drill holes on vehicle roof