901-2588, Schneider Electric, Schneider Electric Harmony XVS Series Siren, 12 → 24 V dc, 97dB at 1 m, DC, Brand Schneider Electric, Supply Voltage 12 → 24 V dc, Decibels at 1 Metre 97dB Schneider Electric Harmony XVS Series Siren, 12 → 24 V dc, 97dB at 1 m, DC