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We design and manufacture Multitone Alarm with universal input supply of 20 to 275V DC & 65 to 275V AC. This unit is suitable to take 2 DC & 1AC separate inputs and will give three separate tones – Intermittent sound for one DC input, Continuous sound for second DC input and Bell sound for AC supply input. If two or more inputs are given, then output will be of different sounds with intervals. Output sound is more than 90 dB. Low depth of 45 mm moulded Box with Suitable clamps are provided for surface mounting and projection mounting.