DSTA´s sight impaired buzzer offers several advantages over the existing ones we have identified in the market:

• Greater variety of sounds, frequencies, volume…
• Larger number of functions depending on the time of the day & season.
• Functions with automatic updates, self activating systems (push button, radio-frequency controller…), etc…
• Improved solutions for cabinets that help prevent street vandalism.
• Compatible with most traffic light housings.