Siren AMP manufacturers Product Specifications Model Function Voltage Packing Size N.W. Power Rated Impdance CJB-200DC-H L1 L2 L3 L4 L5: LIGHT SWITCH, L6: FLASH LIGHTS SWITCH, CR: CRYISE LIGHT SWITCH, SEL: Lightbars MAODE SELECT, YELP, WAIL, HI-LO, PAUSE, MIC DC12V 71*36*22.5mm 3kg 200W 4惟 Diagrams Summarization: The siren AMP has inherited the function and the merits, and uses the hand-control type and the back light display in the design, nay let you install conveniently, the operation is easier. This product outward appearance succinct and fine, the performance stable, the quality is reliable, and increased the function of ten light bar control, three tone, out line hooter and out line radio input function. It can widly installs in all kinds of vehicles. Hooter switch: when power on, press hold this switch manufacturers website:http://www.lhsafeinternat.com/siren-amp/