Widely used in telephone times, calling devices, time pieces electronic toys, satety equipments, RFID. Specifications SFB-55-I Rated Voltage(V) 12 Rated Current(mA) ≤ 280 Voltage Range(V) 6~16 Sound Output(dB) ≥ 120 Resonant Freq(Hz) 3000± 500 Operating Temp(º C) -20~+40 Storage Temp(º C) -20~+60 Weight(g) 80
