... price. 5) CE certificate. 80W, 100W, 150W electronic siren, alarm siren, horn siren, police siren.CE certificated.ISO9001 international quality and ISO14001 environment manage ... you want to see the flash video,please contact with me for more details. Specification: 1) 80w,100w ... integrate, all siren tones and output power of microphone can be adjusted continuously. It is fitted for alarm system, for ...