... Power:150W 2.Rated Voltage: 12V 3.Rated Impedance:6Ω Wenzhou Haian Electronic Appliance Co., LTD. is a manufacture which specialize in ... Emergency Light bars, Led Super Brightness light bars, Strobe Lights, Electronic sirens and Speakers, signal equipment,Police Equipment, and Safety & Security ... and technical team .Welcome to cooperate with us ! Police electronic siren speaker Hexagonal cooling type