Rated Voltage 3.6 Vo-p Operating Voltage 2.5 ~ 4.5Vo-p Current Consumption 100mA MAX. Sound Pressure Level 85dB MIN. at Rated Voltage at 10cm Coil Resistance 16±3Ω Oscillation Frequency 2700Hz Dimension 8.0 x 8.0 x H2.5mm Operating Temperature -30 ~ +85