BJ-1K High-Decibel Active Buzzer Dual Audio Electronic Siren Alarm Wall-Mounted Anti-Theft Buzzer, Voltage:

1. Material: ABS, PC
2. Voltage: 12/24/220V
3. Working method: whistle
4. Degree of protection: IP54
5. Volume: 120dB
6. Power: 1W
7. Installation method: wall-mounted installation
8. High decibel transmission, clear and bright sound
9. Waterproof and dustproof design, can be used outdoors in rainy days
10. Size: about 6.2x4.7 cm/piece
11. Alarm principle: power-on alarm, warning by sound