Resonant Frequency (KHz)	2.5 / 3.5
Operating Voltage (Vdc)	5 ~ 15
Rated Voltage (Vdc)	12
Current Consumption (mA/max.)	200 at Rated Voltage
Sound Pressure Level (dB/min.)	105 at 100cm at Rated Voltage
Tone/Pulse Rate (Hz)	Hi/Low 1.2 ±20%
Operating Temperature (??)	-20 ~ +70
Storage Temperature (??)	-30 ~ +80