Features:1. The clip design is easy to use and easy to carry2. Long-life neon bulbs, high-brightness work, worry-free, durable, and stable brightness3. Humanized design of anti-slip handle, feel comfortable4. Chrome vanadium steel magnetic bit material5. Ergonomic design, practical and convenient without installing batteries6. Identify the live wire: the live wire indicator is on, the zero wire indicator is off7. Strong adsorption to improve efficiency The strong magnetic design of the head can adsorb screws and small metal parts to improve work efficiencyProduct parameters:Item model number: B04Optional specifications: one word bit, cross bitAvailable colors: yellow, grayProduct Name: Electrician Test PenMeasuring range: zero fire wire identificationBit head material: chrome van steel with magneticShell material: ABSProduct process: Neon bulbApplications:It can be used in electronic factories, electrical appliances, automobile maintenance, households, etc., and has a wide range of uses.Packaging List:B04 Zero-fire wire identification flat-blade screwdriver to measure electricity*1