Technical information:
 - Require Power supply 9VDC
 - Capable to go no go test both NPN / PNP in circuit
 - 2 LED indicator to show that transistor is good ( 1 x LED for NPN ) ( 1 x LED for PNP )
 - Maximum current consume at 85mA
 - Comes with the schematic diagram
 - PCB size 2.57" x 1.21"