... voltage testing pen, (3)Features: 12-250v AC test and 1.5-36v DC test.two dis (1) Type: showed in the ... voltage testing pen, (3)Features:12-250v AC test and 1.5-36v DC test.two display ways, crystal and neon. withlong ... develop new items according to your requirement. OEMorders are welcome. Test Pen (SR-74105)