... price. 5) CE certificate. 80W, 100W, 150W electronic siren, alarm siren, horn siren, police siren.CE certificated.ISO9001 international quality ... want to see the flash video,please contact with me for more details. Specification: 1) 80w,100w,150w available.2 ... of microphone can be adjusted continuously. It is fitted for alarm system, for example especial vehicle and forbidden area. Output power: 80w ...