Complete set voice announcer multi brand

management -9 to 29 , gong , message door USB personalization (special messages or other languages) autonomous operation by two magnetic drives Sound volume adjustable by potentiometer from 0 to 80 dB. Maximum speed of the device of 1.6 m/s with minimum between levels of 60 cm. Supplied with 2 magnetic sensors,12 nx magnets, brackets, 230/24 VDC power supply, HP