Feature: 1. Professional Design: Large cylinder design, long transmission distance, the speaker bracket is made of metal, the upper and lower angles are adjustable, and the angle range is about 60°. 2. Loud Sound: The emergency siren has a high volume of 110dB, and the volume can be transmitted far away, reminding the owner to deal with emergencies in time. 3. Wide Applicability: Alarm horn has a wide range of applications and can be used for burglar alarms, elevator alarms, home security alarms, etc. 4. High Quality Material: Using plastic ABS material shell, wear resistance, impact resistance, heat resistance, low temperature resistance, and high chemical resistance. 5. Easy to Use: The horn is connected to the power supply, it will sound when it is powered on, and it will not sound when it is powered off, and it sounds the alarm in time. 6. Suggestion: The wired alarm siren can be widely used with alarm host, gas leak alarm, infrared alarm and other perimeter alarm equipment. Specification: Item Type: Alarm Siren Material: ABS, metal Usage: Used for antitheft alarm, elevator alarm, etc., with a wide range of applications Voltage: 6-12VDC Power: 15W Volume: 110dB at 12VDC, 1Ft Working Current: 320mA Horn Diameter: Φ100mm/3.94in Working Method: Alarm sound when power is on, stop when power off. Package List: 1 x Alarm Siren