Electrical Characteristics
Installation:	PIN
Dimensions (mm):	∮28*14.5
Voltage (V):	9VDC
Max Current(mA):	40mA
Control Voltage(V):	6~11DC
Frequency (Hz):	2800±300
Tone:	B1_Single
SPL (dB):	85@30CM

Others
Operation Temp.(℃):	-20~70