Device Type: 12V DC Audible Alarm Siren Power Output: 15W Operating Voltage: 12V DC Tone Options: Multi-Tone (Steady, Warble) Mounting: Surface Mount with Bracket Key Specs: Siren 12V 15W DC, 15W Power Output, 12V DC Operation, Multi-Tone Capability, Weather-Resistant, Ideal for Electric Fence and Alarm Systems Usage: Electric fence alarms, perimeter security, alarm panel integration, gate contact alarms, and outdoor intrusion deterrence