The EXPERT-ECO/D is a cost-effective wireless siren unit for emergency vehicles, providing siren and light control and equipped with a small, portable key fob-style control unit. The siren unit can play multiple siren sounds and can encode and select inactive siren sounds via the control unit and transmit them. Despite the compact size of the main unit, which fits in the glove compartment, under the seat, or many other places in the car, it offers a rich variety of functions. Furthermore, when leaving, you can take the key fob with you and control the system remotely. We use cookies to improve your experience. By using our site, you accept our Cookie Policy. These are basic functions necessary for the website to function. They are used to measure site traffic and analyze performance.