B07 Electrical Tester Pen Voltage Indicator Test Pencil Tester Screwdriver 100-500V Neon Bulb Non-contact Insulation Test Pen B07 Electrical Tester Pen Voltage Indicator Test Pencil Tester Screwdriver 100-500V Neon Bulb Non-contact Insulation Test Pen Features: 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. One-word batch head 2.5mm chrome vanadium steel material 5. Ergonomic design, practical and convenient without installing batteries 6. PVC material anti-fall insulation PVC 7. Identify the live wire: the live wire indicator is on, the zero wire indicator is off Specifications: Product name: Slotted screwdriver measuring pen Item model number: B07 Available colors: red, yellow, blue, green Measuring range: 100-500V Bit material: chrome steel Shell material: insulating PVC Product process: Neon bulb Bit diameter: 2.5mm Overall length: 140.7mm Bit exposed length: 19.9mm Applications: It can be used in electronic factories, electrical appliances, automobile maintenance, households, etc., and has a wide range of uses. Package Included: Type A: B07 measuring range: 100-500V, flat-blade screwdriver measuring pencil red*1 Type B: B07 measuring range: 100-500V, flat-blade screwdriver measuring pencil yellow*1 Type C: B07 Measuring range: 100-500V, flat-blade screwdriver measuring pencil blue*1 Type D: B07 Measuring range: 100-500V, flat-blade screwdriver measuring pencil green*1