This is a round buzzer that operates around the audible 2kHz range. You can drive it directly from a 3V PIC or arduino to generate the tones.
Resonant Frequency: 2300 +/- 300 HZ
Rated Voltage: 3V
Voltage range: 3 : 5 V
Rated Current: 30 ma
Min Sound output at 10 cm: 85 dB
