Electrical Characteristics
Installation:	PIN
Dimensions (mm):	∮12*7.3
Voltage (V):	1.5V,2731Hz, 1/2 duty, square wave
Max Current(mA):	70mA
Control Voltage(V):	1~2
Frequency (Hz):	2731
Tone:
SPL (dB):	85@10CM

Others
Operation Temp.(℃):	-20~70