Werma signaltechnik multi tone electronic buzzer werma signaltechnik 13300075 the werma signaltechnik 13300075 is a multi tone electronic buzzer that is easily installed this 105db buzzer not only has an eye catching design it is acoustically competent there is an optional cable entry from the side for flexible mountingthe buzzer has 8 adjustable tones and a volume control werma signaltechnik 13300075 multi tone electronic buzzer 105db 24vacdc