electric siren 1)9tones+reverberation 2)power:100W,150W,200W 3)1 year warranty for Electronic siren electric siren1)Model Number: HT-680D2)Voltage: 12-13.8v 3)Material: Iron Car Make: any cars 4)Size:26*16*7.5CM5)Weight:1.9kgUnique and scientific design,perfect function,convenience for operation,safely and reliably