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Portable Electrician Circuit Tester Pen

Portable Electrician Circuit Tester Pen

Regular price $14.99
$14.99 Regular price $25.99 Sale price
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Safe and fast detection of zero line, live line, short circuit, etc., it's essential for electricians and households.

Main Features

Fast Identification of Null-live Wire

The high intelligent chip delivers fast and sensitive identification of null and live wires. When the detection head touches the null wire, the green light is steady on; If it is a live wire red light and green light will be on at the same time.

(Touch the bottom copper cap by hand when using)

Short Circuit Detection

Quickly detect whether there is a short circuit. If the green light is on, the wire is normal without rupture. If the indicator is off, the wire is disconnected and cannot be used normally.

Safe and Waterproof

High-quality durable PC shell, anti-fall, insulation, waterproof, to ensure safe use.

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.

Super Bright LED Indicators

Highlighted LED beads are clearly visible in sunlight, allowing you to work better. They last longer than regular bulbs.

Portable and Convenient

Portable pen clip design, easy to carry and store. CR-V high hardness alloy steel batch head with strong torque and flat-head screwdriver design make it more durable and convenient to use.

Precautions for Use: Self-check before use.

Self-check method: Hold the tip of the tester pen in one hand and touch the copper cap at the bottom of the tester in the other hand.

Symptom: When the green light is on, it means the tester pen is normal and has sufficient power. No light indicates that the battery needs to be replaced.


Material: Waterproof PC Shell, CR-V Alloy Steel Bit

Detection Range: 70-250V

Length: 15.5mm

Battery: LR41 Button Battery (Included)

Package Includes: 1x Portable Electrician Circuit Tester Pen



Due to manual measurements, please allow slight measurement deviations.

Due to the different display and lighting effects, the actual color of the item may be slightly different from the color displayed in the picture.


✈️ Insured Fast Shipping: Each order includes real-time tracking details and insurance coverage in the unlikely event that a package gets lost or stolen in transit.

👍 Money-Back Guarantee: If your items arrive damaged or become defective within 30 days of normal usage, we will gladly issue a replacement or refund.

📞 24/7 Customer Support: We have a team of live reps ready to help and answer any questions you have within a 24-hour time frame, 7 days a week.

🔒 Safe & Secure Checkouts: We use state-of-the-art SSL Secure encryption to keep your personal and financial information 100% protected.

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Portable Electrician Circuit Tester Pen