Feature: Sound signals is an important and simple communication and alarm tool on the ship, which can send  out special signals in time to indicate the occurrence of some abnormal phenomenon. It is also a supporting instrument for the ship’s telephone, communication equipment, teltgraph and other electrical equipment.

Protection Class: IP56
Cable: Φ14- Φ16
Operation Temperature: -25℃ to +55℃
Remarks: when the power supply voltage is within the range of DC ±15% and AC+6% to +10% of the rated value, it can work reliably and ite sound intensity is not less than the specified value.