Sonos - Siren - 32 tones, -20 dB volume control - deep PSO-0003 base - 4-41mA - 9-60V DC - 106dB - red

Sonos - Siren for fire, security and industrial applications, 32 tones, -20dB volume adjustment, deep PSO-0003 base - 4-41mA - 9-60V DC - - 106dB -red