Product ID SMT-G8030B Rated Voltage 3.6V Operating Voltage 2.0~ 5.0V Max. Rated Current 90mA at 3.6VDC Min.Sound Pressure Level 85dB at 3.6VDC/ 10 cm Coil Resistance 16± 3© Coil Impedance Resonant Frequency 2670Hz Operating Temperature -30~ + 70° C DIM.D× H× L 8× 8× 3 Weight 1g