Internally driven piezo buzzer,Top sound

Resonance Frequency :               2.9±0.5KHz
Operating Voltage:                     150-260VAC
Rated Voltage:                           220VAC
Current Consumption:                10mA Max.at Rated Voltage
Sound Pressure Level:                85dB Min at Rated Voltage 
Tone Nature :                            Fast Pulse
Operating Temp:                        -40~+85°C
Weight:                                     60g
Housing Material:                       ABS

Size: