Intelligent Induction Power Voltage Detector Pen 24-500V Circuit Tester Electrical Screwdriver Pen With Indicator Light Sensor Description: Battery model: LR41 X 3 Measuring range: voltage 24-250V Bit material: chrome vanadium steel bit Shell material: ABS Size: About 140.8x21.3mm/5.54x0.84in Uses: can be used in electronic factories, electrical appliances, car maintenance, household, etc., widely used Product function: 1. Neutral line/live line detection: the test result LED red light and green light indicate live line, green light indicates neutral line 2. Detection along the line: LED light on means the line is unblocked, LED light off means the line is disconnected 3. Wire switch: if the plug and the inner core of the wire are intact, the light will be on, and if it is not on, it means that the core wire is in poor contact Specifications: Versatile non-contact voltage testerDetect voltage with ease! Transparent pen for clear voltage detectionSee electricity flow effortlessly! Highly sensitive pen detects breakpointsFind faults with exceptional accuracy! Multi-functional pen with screwdriver designA must-have tool for electricians! Durable and reliable voltage tester penTrustworthy electrical testing companion! Package Included: 1* Electric Test Pen Screwdriver