- 130dB loud sound but not harsh for human's ears;
- Flashing light, obvious warning effect, easy to attract the attention of staff;
- New-upgrade design with USB wire, the tone can be changed according to actual using;
- Designed with integrated circuit, strong anti-interference ability and stable performance;
- Controlled by any switch siginal, suitable for industrial machines, power systems, factories and private house.
Voltage:AC110-120V (IF YOU NEED OTHER VOLTAGE, YOU CAN CONTACT CUSTOMER SERVICE)