(1) Type: SR-74101R , (2)Name: digital voltage testing pen, (3)Features: 12-250v AC test and ... test.two display ways (1) Type: SR-74101R , (2)Name: digital voltage testing pen, (3)Features: 12-250v AC test and ... new items according to your requirement. OEM orders are welcome. Digital Test Pen (SR-74101R)