Please use this test pencil inside the range of test.
The difference of the measured voltage will cause the light and shade of the luminous tube to be different, this is the normal phenomenon.
The test pencil sharp, please use caution, and place far away from children.

• the unique long-life light tube, not produce heat, comfort and safety.
• lnnovative flexible wire lead has good tensile strength.
• small volume, compact structure, equipped with a clip, convenient to carry and use
• Voltage：6V-24V
• Size：107x10mm

the unique long-life light tube, not produce heat, comfort and safety.Freecar