Home Company Profile Factory Profile Our Products Contact Us News     Speaker Microphone Transducer Buzzer Plate Receiver                      LPB4216W-P1 Product Number LPB4216W-P1 Description With built-in oscillating circuit; Ø42x1.6(H)mm; Enquiry Send Enquiry Specification Resonant Frequency (Hz) 2800 ± 500 Rated Current (mA) ≦10 Operating Temperature Range (℃) -20 ~ +65 Storage Temperature Range (℃) -30 ~ +70 Rated Voltage ( V )D.C. 12 Operating Voltage ( V )D.C. 3~20 Sound Ouput at 30cm (dB) ≧95 Tone Discontinuous   Speaker Condenser Microphone Buzzer & Transducer Buzzer Plate Receiver Copyright 2004 by Union Team Limited (Group)