About This

• Polarity Tester: The magnetic pole identification pen is a fast, easy and tool. It is an instrument used to identify the polarity of a magnetic field.
• Easy to Carry: It adopts a portable pen holder design, which is small and light, easy to carry, and can be measured anytime and anywhere without taking up space.
• Good Performance: sensitive probe and high performance chip make the measurement more sensitive and accurate.
• Test Gauss Meter: It is easy to see, LED light emitting diodes will show their polarity in different colors, red is N pole, green is S pole.
• Battery Power: Magnetic pole identification pen is powered by two AAA1.5V batteries, the use time is about 10 hours or more.