1) Low noise, pure light, anti-fog 2) magnetic mount 3) the dome is PC material mini lightbar(warning light,emergency light,caution light)1.Clear lense2.Powered by 12V or 24V 3.2 powerful halogen take downs,2 halogen alley lights,four strobotrons for bidirectional strobe4.Dimensions:500 ×270×140mm5.Includes attached cigarette plug 6.Magnet mounted