... with Easy-to-Read LCD Screen 3-in-1 Stud, Voltage and Metal Detector with ... & design with one-stop ServiceContract manufacturing service applicable in industrial, automotive, computing, storage, consumer, instrumentation, ... serviceCircuit boards: 1 - 22 layers PCB layout, fabrication and PCB assembly and box buildActive/passive ... free to contact us. 3-in-1 Stud, Voltage and Metal Detector, custom circuit ...