Electrical Characteristics
Installation:	PIN
Dimensions (mm):	∮16.0*14.0
Voltage (V):	12VDC
Max Current(mA):	30mA
Control Voltage(V):	9--15VDC
Frequency (Hz):	2200±300
Tone:	单音B628 S音.mp3
SPL (dB):	85@10CM

Others
Operation Temp.(℃):	-20~70