1.warning light (BY-12099-7) 2.beacon,emergency light 3.rotating light 1.warning light (BY-12099-7)2.beacon,emergency light3. ... rotating light4.CE certificate warning light BY-12099-7 ,warning lamp,alarm ... din-mount base models enable speedy transfer or replacement of beacons *usage:police ,fire engine,ambulance,street sprinkler,truck