electric siren 12v 1)Model:HT-690 2)9tones+third way light control 3)Dual channel 4)Power:200W,300W,400W electric siren 12v 1.Model Number: HT-6902.Voltage: 12-13.8v 3.Material: Iron Car Make: any cars 4.Size:35*21.5*7.5cm5.Weight:3.15kgUnique and scientific design,perfect function,convenience for operation,safely and reliably