Feature●12V 115bB treble speaker, far volume, can be worked with various alarm connection.●When someone breaks in illegally, the alarm horn will issue a three alarm to let you know where the accident happened.●ABS fire-retardant shell,widely used in alarm host, air leakage alarm, infrared peripheral alarm equipment, etc.●Installation options are flexible and convenient.Generally installed in the wall or doorway or balcony and other places, the installation height of 2.5 meters or more.●Strong and durable, small and light, long service life.Description