1. Versatile Testing Tool: The induction test pen caters to all your testing needs, making it a versatile choice for both DIY enthusiasts and professional electricians. Its multifunctional design ensures you can handle a variety of electrical tasks efficiently. 2. Enhanced with NCV Technology: Experience increased with the professional AC voltage detection pen, featuring Non-Contact Voltage (NCV) technology. This pen alerts you with an increasing urgency of sound as you approach live AC voltages, allowing for safe and contactless voltage detection. 3. Accurate Fault Localization: Quickly and accurately identify electrical faults with the pocket tester pen. Its NCV mode detects the signal strength of live wires, helping you pinpoint the exact location of circuit breakpoints without direct contact. 4. Easy-to-Use Probe Design: The electricity pen is equipped with a negative pole probe socket. Connect the probe to the COM input, measure using the pen and probe tip, and simply switch on the power to activate the automatic detection mode for streamlined testing. 5. Comprehensive Component Testing: The voltage test pen offers extensive functionality, enabling you to measure electronic components with precision. This feature-rich tool is ideal for comprehensive electrical diagnostics, enhancing both productivity and reliability in your electrical work. : ELECTRICAL Display Type: Analog Only Voltage range: 24-250V Alarm : sound and light alarm Probe: one word batch Batteries used: 1.5V AAA batteries x 2 (not included) Zero live line inspection:yes Voltage detection:yes Line breakpoint search:yes Electrical switch detection:yes Self-check function:yes DC detection:yes Product size: about 160.00x28.00x27.00mm Colour:Black Material:Plastic Package Contents: 1 * Induction Test Pen Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.