LED emergency police car lightbar 1.Model number TBD-21000 2.18 modules 3. ... Aluminium and PC materials 4.Voltage:DC12VorD24V LED Emergency Police car Lightbar • Model : TBD-21000D• 18modules Generation 3 LED lights (single ... inside, it's by your choice• Easy maintenance and module replacement• Red, blue, amber, white, green and purple color is available ...