"The WOLO Siberian Express EV24 Air Horn is engineered with reinforced ABS for lighter overall weight and decreased vibration, even on rough roads. Requires an onboard air system with minimum 3-gal. storage tank sold separately - WOLO Model# 840 onboard air system - Item# 700531 - is recommended. Chrome Plated Yes, Mounting Hardware Included Yes, Microphone Included No, Dimensions L x W x H in. 16 1/2 x 14 3/4 x 11, Music Book Included No, Adapters Included No, Hertz 150, Remote Panel Control No, Decibel Rating 152, Horns Included 1, Compressor Included No, Portable No, Product Style Train, Trumpet Horn 3, Works With WOLO onboard air system model# 840 - Item# 700531, No Slip Hand Grip No, Multiple Tone No, Mounting Type Roof mount, any flat surface. Electric solenoid operation Powerful 152db / 150 Hz sound output Lightweight ABS plastic horn with chrome finish and rugged steel mounting base Includes 10ft. x 1/4in. high-pressure nylon hose Stainless steel mounting hardware resists rust"
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