How to Use

When using the voltage tester screwdriver, please insert the screwdriver to the bottom, hold the insulated handle with the thumb and middle fingers, and hold the cap at the end of the voltage tester screwdriver with your forefinger.

Intelligent Motherboard Chip

Professional upgrade chip control program, higher security, longer service life.

Comes With A Pen Clip

Convenient pen clip design, easy to hang and carry, can be used anywhere, work more convenient.

Self-check Function

Through the human body circuit, the pen will emit a high bright light, please conduct a safety check before use.

Self-test Method: one hand holding the pen tip, one hand touching the top of the pen.

Test Result: If the light is on, it means that the power of the pen is sufficient and can be used normally; if the light is not on, it means that the button battery needs to be replaced.

Coin Cell Battery Replacement Steps

Step 1

Use a screwdriver, unscrew the top copper cap.

Step 2

Take out the internal parts, and then put the three LR41 batteries into the battery compartment.

High-quality---- Responsive Electrical Tester Pen is composed of a high-quality and durable PVC Handle, screw rod, slotted point screwdriver, nut, spring, neon bulb tube, and resistance block, which ensure safety while using.

Fast Identification of Null-live Wire---- As long as it is close to the insulation of the wire, the plastic shell of the electrical appliance, etc., when the light is on, it means that the line is live.The brighter the light, the higher the voltage of the tested circuit, and vice versa.The test result LED red light and green light indicate live line, green light indicates neutral line.

Bright Light and Waterproof---- The Responsive Electrical Tester Pen is designed with a bright LED light, which is also an obvious cue when used during the day.It is waterproof, which allows you to work well outdoors.

Self Check Function---- In self-check before use, please hold the pen tip with one hand and touch the tail with the other hand.When the light is on, it means the tester pen is normal and has sufficient power.No light indicates that the battery needs to be replaced.

Wide Application ---- Widely used in home, industry, electric power, automobile maintenance, electrical testing, and other life and work scenes. Perfect gift for electricians, electronics enthusiasts, and fathers.