... 4.5Hmm 3500Hz 85DB MaxCurrentConsumption 50mA RoteVolt 3V CoilResistance 32ohm Soldering Process: Wave Soldering Applications: Telephone, Clocks, Medical Equipment, Mobile Phone, ... excessive pulling lead wire because wire may break or soldering point may come off.2. The circuits utilize ... field when you storing. transitting and mounting.Soldering and Mounting:1. Please read of SWT specification, ...