1. piezoelectric transducer make sound drived by external signal 2. Dia 23*10mm with pin terminal 3. have stable quality

Type	Unit	HYR-2310A
Rated Voltage(Square Wave)	Vp-p	12
Operating Voltage	Vp-p	1-30
*Rated Current(MAX)	mA	4
*Min Sound Output at 10 cm	dB	80
*Resonant Frequency	Hz	3500±500
Operating Temperature	°C	-20~+60
Weight	g	3

23*10mm piezoelectric transducer