I-UZS Programmable Intelligent Sound Device Specifications < tr> Specifications For intelligent soundtrack of the permitted pedestrian direction, for blind pedestrians. - Adjusting the minimum and maximum (110db) volume level in depending on the width of the road and the time of day in accordance with GOST R 51648-2000; - Choosing a sound melody; - Automatic learning when changing the duration of the permitting signal of a pedestrian traffic light using the time of increasing the frequency of the signal (melody ) until the main "green" traffic light turns off. - Built-in USB interface for communication with a PC and programming settings (does not require an adapter) . Street housing, installed on a mount or traffic light support, Sound horn (included) Power supply from 220V network, control from the road controller (green pedestrian traffic light)