Widely used in telephone times, calling devices, time pieces electronic toys, satety equipments, RFID. Specifications HC-12065 Rated Voltage(V) 12 24 Nominal Current(mA) 130 80 Voltage Range(V) 9-15 20-26 Sound Output(dB) ≥ 105 ≥ 105 Maximum power(W) 10 9 Sound Modutated key key Operating Temp(º C) -20~+50 -20~+50 Storage Temp(º C) -20~+60 -20~+60 Weight(g) 50 50