This compact, motor driven, red color siren is built with a heavy-duty permanent magnet motor that ensures many years of dependable service and produces a loud sound suitable for short duty cycles. The angle of the siren can be adjusted vertically for mounting flexibility and to point the sound exactly where you want it. Housing and mounting bracket are made of strong metal and installation is extremely easy with a simple two wire hook-up. Ideal for all vehicles with a 12V system. Mini Motor Driven Electric Siren (Red) Type: Electric Motor Voltage: 12V Current Draw: 2.2A Metal Housing Compact Design Mounting Bracket with Adjustable Vertical Angle Dimensions: 3" W x 3-¼" H x 3-1/8" D