electronic siren 12v 1)with monitor 2)8 tones can be changed by controller 3)power:80W,100W,150W,200W 4)1 year warranty electronic siren 12v1)Model Number: HT-612DA2)Voltage: 12-13.8v 3)Material: Iron 4)Car Make: any cars 5)Size:29*17.5*6.5CM6)Weight:1.4kgUnique and scientific design,perfect function,convenience for operation,safely and reliably with monitor auto electronic siren 12v (ISO9001)