Features: Brand new and high quality The clip design is easy to use and easy to carry. Long-life neon bulbs, high-brightness work, worry-free, durable, and stable brightness. Humanized design of anti-slip handle, feel comfortable. Chrome vanadium steel magnetic bit material. Ergonomic design, practical and convenient without installing batteries. Identify the live wire: the live wire indicator is on, the zero wire indicator is off. Strong adsorption to improve efficiency The strong magnetic design of the head can adsorb screws and small metal parts to improve work efficiency. Specifications: Name: Electrician Test Pen Bit : one word bit, cross bit(optional) 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. Package Includes: 1 x Electric Voltage Tester Pen Screwdriver note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!