mini electronic buzzer 1.over 30min continuous working 2.low power consumption 3.very good tone quality 4.long life

mini electronic buzzer

Model	Voltage	Frequency(Hz)	installation modes	Db(A)/m
STBN	AC110V	50Hz	surface	85~95
	AC220V	50Hz	surface	85~95
	AC380V	50Hz	surface	85~95
	DC12V	50Hz	surface	85~95
	DC24V	50Hz	surface	85~95

mini electronic buzzer