【How to Use】- When you use the voltage test electron probe, before testing, it is necessary to insert the screwdriver to the bottom, and hold the finger against the end of the handle. The neon tube turns the light when there is electricity and operates safely.

【Two Usage】- Two kinds of applications, one for measuring circuit electrical pen and the other for a screwdriver.Two types of screwdriver tips on both ends of metal rod-slotted and cross-recess.When you pull out the metal rod, please insert the rod into the deepest position to make full contact.


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