Battery back-up siren compact size

Battery Back-up Sirens. Digital siren circuitry for reliable long life service. Small design allows for greater installation flexibility. Especially suited to engine bays that are full with no room for conventional sirens. Description AS/NZS Standards tested and certified. MSP60.jpg Suits any alarm with resistive ground positive trigger. Standard fitment on M60S and M60G. Cut any siren wire and the siren sounds. Supplied with 2 battery isolating keys (doesn't disable the alarm) to allow for vehicle battery servicing.