Internally driven piezo buzzer,Top sound

Resonance Frequency :               2.5±0.5KHz
Operating Voltage:                     5-13VDC
Rated Voltage:                           12VDC
Current Consumption:                75mA Max.at Rated Voltage
Sound Pressure Level:                100dB Min at Rated Voltage 
Tone Nature :                            Constant sound
Operating Temp:                        -40~+85°C
Weight:                                     27g
Housing Material:                       ABS

Size: