- Efficient Electrical Testing: This portable tester accurately detects AC voltage from 12 to 300V, making it ideal for quick assessments in various electrical tasks. The red light and beep signal high voltage, while a green light indicates low or no voltage, ensuring your safety during use. - Compact and Portable Design: Featuring a lightweight and compact design with a -type probe, this tester is perfect for on-the-go checks. Easily test outlets, wires, and power cords wherever you need it, making it a valuable tool for both professionals and DIY enthusiasts. - Adjustable Sensitivity: Tailor your testing experience with the sensitivity adjustment (S button), allowing for versatility in various applications. Whether you’re checking thermostat connections or irrigation systems, this feature ensures accurate results across different environments. - Immediate Visual and Audible Feedback: Stay informed with the built-in LED light and audible alerts. The red light and beeping sound for high voltage, combined with the green light for low voltage, enhance visibility and safety, providing you with instant feedback during your tests. - Practical Use Cases: Ideal for electricians conducting routine voltage checks, homeowners troubleshooting electrical outlets, or maintenance professionals assessing irrigation systems, this tester meets a wide range of needs with ease and reliability. This versatile and user-friendly tester stands out for its combination of safety features, portability, and adjustable sensitivity, making it an essential tool for anyone working with electricity.