Operating instructions
1. Press and hold the "test" button, and align the probe head of the magnetic pole identification pen with the surface of the tested magnet until the signal light is on.
2. During the detection process, if the red signal light is on, it indicates that the surface of the tested magnet is "n" pole; if the green signal light is on, it indicates that the surface of the tested magnet is "s" pole.
3. Press and hold the "test" button, and make the probe head of the magnetic pole identification pen move along the surface of the tested magnet, then the process of the magnet changing from one magnetic pole to another can be observed.

Specifications
Sensitivity：±5mT(50Gs)
Display：2 LED lights (red = N pole, green = S pole)
Battery：2 batteries, 1.5V AAA, No.7 battery
Service temperature：-20℃～+80℃
Storage temperature：-40℃～+150℃
Size：6.14×0.95×0.78in
weight：0.12lb

Package included
1 x Magnetic pole pen
1 x Instruction manual
1 x Certificate
1 x Warranty card