Indicators with acoustic signals

Devices that indicate with sound that something is happening in the place where the transmitter is. They can transform, e.g., visual signal to audible signal or they can increase the volume of a normal device. Included are, e.g., rain indicators and computer-signal indicators.

Filter

    
Reset
All product information is provided by the supplier. The National Board of Social Services is not responsible for either contents, origin, flaws and deficiencies, or any kind of damage that may occur from the use of the information. The National Board of Social Services has no authority to endorse products and does not assess the quality of the products. Hide this message.