Indoor siren, with low power consumption, for wiring to an alarm system. Can also be used as an additional siren for gas detectors GA90 and CO90. Volume: 110 dB(A). Power supply: 12V DC, 100mA. Includes 2 wires with free ends (approx. 12cm long). Weight: 90g, dimensions: 85 x 55 x 32mm.