Widely used in telephone times, calling devices, time pieces electronic toys, satety equipments, RFID. Specifications YMD-12095-G Rated Voltage(V) 1.5 3 6 9 12 24 Voltage Range(V) 1.3-2.5 2.5-4 4~8 8-10 10~13 15~28 Rated Current(mA) ≤ 20 ≤ 35 ≤ 32 ≤ 20 ≤ 25 ≤ 45 Sound Output(dB) ≥ 80 ≥ 85 ≥ 85 ≥ 85 ≥ 85 ≥ 85 Resonant Freq(Hz) 2300± 300 2300± 300 2300± 300 2300± 300 2300± 300 2300± 300 Operating Temp(º C) -20~+45 -20~+45 -20~+45 -20~+45 -20~+45 -20~+45 Storage Temp(º C) -20~+60 -20~+60 -20~+60 -20~+60 -20~+60 -20~+60 Weight(g) 2 2 2 2 2 2