HCT1310X Low Frequency Direct Circuit SMD Buzzer,Loud Sound SMD DC buzzer,Low frequency DC SMD buzzer, Buzzer can be supplied power by battery, widely used in medical istruments.
HCM1206X HCM1212X 5V 12V Miniature DC Buzzer,12mm buzzer,DC buzzer,pin buzzer,smalle buzzer,waterproof buzzer.application used for Home appliance ,equipment .