Resonance Frequency : 3.1±0.4KHzInoshanda Voltage: 4-7VDCRated Voltage: 5VDCIkozvino Kushandiswa: 30mA Max.at Rated VoltageInzwi Dzvinyiriro Level: 80dB Min paRated Voltage pa10cmTone Nature :ConstantKushanda Temhere: -40~+85°CKurema: 1gZvigadzirwa zveimba: PPOSaizi