SPECIFICATIONSTypeUnitBJ-1BJ-2BJ-3RatedVoltage(SquareWave)V1224220VACOperatingVoltageV8-1518-28200-250*RatedCurrent(MAX)mA97110105*MinSoundOutputat10cmdB110110110*ResonantFrequencyHz2500±5002500±5002500±500OperatingTemperature℃-20~+70-20~+70-20~+70Weightg505061