Aluminum or steel tank with size ranging from 1480~3600 gallons. Tank interior coated with Firokote®. 3 compartments: approx. 26 cubic feet of storage. Tube lights illuminate the inside of compartments. 1 full light bar on the front; 1 rear light bar. 1 siren with speaker mounted at grill or bumper level. Finished with 3 coats of premium urethane.