Name: Electrician Test Pen Model: B04 Optional specifications: one word bit, cross bit Colors: Gray Measuring range: zero fire wire identification Bit head material: chrome van steel with magnetic Shell material: ABS Product process: Neon bulb Applications: It can be used in electronic factories, electrical appliances, automobile maintenance, households, etc., and has 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, worry-free, 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: 1x Electric Voltage Tester Pen Screwdriver