- Quick and highly sensitive live wire identification: Touch the touch electrode with your hand and insert the pen tip into the test hole to identify live wires rapidly. A red display with buzzing indicates live, while a green display with no alarm indicates neutral. - Two-color digital tube real-time prompts: The two-color display provides real-time voltage readings and status prompts, making readings easy to read and interpret. - Removable pen cap: The removable cap protects the pen tip and helps prevent arcing and leakage during use. - Maintenance assistant: This intelligent voltage test pen acts as a maintenance assistant, enabling easy and accurate voltage detection. - Design and performance: Hand-held, pen-style form factor for convenient one-handed use and quick checks in various environments. - Use scenarios: - Home electrical tasks such as testing outlets, switches, and lighting fixtures to confirm power status. - Installation or maintenance work in electrical panels or equipment where quick Live/Neutral verification is needed. - Field service and troubleshooting on electrical devices to ensure safe servicing before touching circuits.