- Digital LCD voltage tester pen with simple, easy-to-use design for quick and confident voltage readings in automotive and home circuits. - Durable, reliable and practical car digital circuit tester built for everyday use in vehicles and DIY projects. - Comfortable grip handle for a safe, secure hold during testing; suitable for repeated use in automotive and electrical tasks. - Wide compatibility: suitable for cars, trucks, motorcycles, and home electrical circuits; useful for electricians and DIY enthusiasts. - Clear digital readout provides precise voltage values to help diagnose issues faster and with less guesswork. Use scenarios: - In a vehicle: verify battery voltage, charging system, and under-hood wiring quickly during maintenance. - In the home: test outlets and circuit voltage to troubleshoot electrical issues. - In a workshop or job site: perform fast voltage checks on automotive wiring and electrical installations.