Power Tester Pen LCD Display – Circuit Check Screwdriver Tool

The Power Tester Pen with LCD Display is a compact, precision-built circuit check screwdriver tool designed for electricians, DIY enthusiasts, automotive technicians, and workshop professionals alike. With its bright LCD lighting, this versatile tester pen makes breaker identification and circuit status checks fast, easy, and accurate — even in low-light environments.

Crafted from durable resin and measuring approximately 17.5 cm (6.89 inches) in length, this tool is ergonomically shaped to grip securely without slipping, fitting comfortably in your hand during extended use. Its slim pen-style design slides easily into a shirt pocket or tool pouch, so it's always within reach on the job site or around the house.

Key Features

• LCD Lighting Display – Clear, backlit readout for effortless circuit status identification in any lighting condition
• Multi-Purpose Design – Suitable for electrical, automotive, home, industrial, garage, and workshop applications
• Durable Resin Construction – Built to withstand daily professional and DIY use
• Ergonomic Grip – Non-slip body sits comfortably in hand for precise, controlled testing
• Compact & Portable – Pen-sized at ~17.5 cm; easily stored in a toolbox, pouch, or pocket
• Versatile Functionality – Works as both a circuit tester and a screwdriver tool in one handy instrument

Who Is This For?

Whether you're a professional electrician, a weekend DIYer tackling home repairs, an automotive hobbyist, or a workshop technician, the Power Tester Pen is an indispensable addition to your toolkit. It's equally at home in an industrial setting or around the house — and makes a thoughtful, practical gift for anyone who works with electrical systems.

Product Specifications

• Material: Resin
• Length: ~17.5 cm / 6.89 inches
• Display: LCD with built-in lighting
• Applications: Electrical, automotive, home, industrial, garage, workshop
• Brand: Qme

For guidance on electrical safety best practices when using testing tools, visit the OSHA Electrical Safety resource.

Frequently Asked Questions

Q: What does the Power Tester Pen with LCD Display do?

A: This circuit check screwdriver tool is used to detect the presence of electrical current and identify circuit breaker status. The built-in LCD display lights up to give you a clear, instant reading, making it ideal for electricians, automotive technicians, and home DIY users working in a variety of environments including garages, workshops, and industrial settings.

Q: What is the Power Tester Pen made of, and how big is it?

A: The Power Tester Pen is constructed from durable resin and measures approximately 17.5 cm (6.89 inches) in length. Its slim, pen-like form factor makes it easy to carry and store, while the non-slip body ensures a secure, comfortable grip during use.

Q: Is this tool suitable for automotive and home use as well as professional electrical work?

A: Absolutely. The Power Tester Pen with LCD Display is designed for a wide range of applications — from professional electrician work and automotive diagnostics to everyday home maintenance, industrial tasks, and garage or workshop projects. Its multi-purpose design makes it a practical everyday tool for both professionals and hobbyists.

Q: Does the LCD display work in low-light conditions?

A: Yes. The integrated LCD lighting feature ensures the display remains clearly visible even in dimly lit areas such as electrical panels, under car hoods, or in workshop corners — giving you reliable readings wherever you need them.