ALEKO BS-PS201 12V 105dB Mini Electronic Wired Alarm Siren Horn for Security System This electronic siren designed to alert about the alarm situation. It has a large noise power and low voltage. Great for any types of outdoor or indoor security systems. Wired, Low-Voltage, Durable materials, Moisture proof, Shock-resistant capasity, Heat resistant, Single tone Voltage: 12V, Current: 300 mA Siren dimensions: 60mm x 45mm x 40mm Color (Various): White or Black, SPL: 105 3 dB (LOUD)