discount 70% in 2018-09-21 to 2018-09-23
price: USD$ 42.35
freight :USD$7.00,(Postal parcel)
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Special note: please pay attention to the location of the switch when purchasing, if it is a single switch, the switch can only control the location where the switch is located. For example, A and B, there is no switch that the two interface is always phaseTong!