Widely used in telephone times, calling devices, time pieces electronic toys, satety equipments, RFID. Specifications YMD-12095-BZ Rated Voltage(V) 6 12 24 Voltage Range(V) 4~8 10~13 15~28 Rated Current(mA) ≤ 40 ≤ 75 ≤ 45 Sound Output(dB) ≥ 90 ≥ 90 ≥ 90 Resonant Freq(Hz) 2300± 300 2300± 300 2300± 300 Operating Temp(º C) -20~+40 -20~+40 -20~+40 Storage Temp(º C) -20~+60 -20~+60 -20~+60 Weight(g) 2 2 2