Digital Voltage Tester Pen Screwdriver AC Non-contact Induction Test Pencil Voltmeter Power Detector tools for electricians: Name: Electrician Test Pen Model: B04 Optional specifications: one word bit, cross bit Colors: as shown Measuring range: zero fire wire identification Bit head material: chrome van steel with magnetic Shell material: ABS Product process: Neon bulb Applications: Can be used in electronic factories, electrical appliances, automobile maintenance, households, etc., with a wide range of uses. Specifications: 1. The clip design is easy to use and easy to carry 2. Long-life neon bulbs, high-brightness work, durable, and stable brightness 3. Humanized design of anti-slip handle, feel comfortable 4. Chrome vanadium steel magnetic bit material 5. Ergonomic design, practical and convenient without installing batteries 6. Identify the live wire: the live wire indicator is on, the zero wire indicator is off 7. Strong adsorption to improve efficiency: The strong magnetic design of the head can adsorb screws and small metal parts to improve work efficiency Package Included: 1* Electric Voltage Tester Pen Screwdriver