Features VERSATILE VOLTAGE DETECTION: This tester measures AC-voltage, identifies live and neutral-wires, and includes NCV (Non-Contact Voltage) detection for quick and safe voltage checks without direct contact. WIRE CONTINUITY TESTING: The built-in continuity function allows for easy wire testing, ensuring reliable results when checking circuit integrity and connections. AUDIBLE & VISUAL ALARMS: Features both sound and light indicators to alert you to the-presence-of voltage, providing clear, real-time feedback on the circuits status. LED LIGHT FOR LOW-LIGHT CONDITIONS: Equipped with a white LED light to illuminating your work area, allowing for easy visibility in dim environments, ensuring safe and efficient testing. AUTOMATIC SHUT-OFF & COMPACT DESIGN: The tester is designed with an automatic shut-off function to extend battery life, and its small, palm-sized form factor ensures portability and eases of use in tight spaces. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Size: 16.1x3.12x2.85cm Accessories list: packaging box, tester, instruction manual