Fangrui Product Details 1. Bside Z1 Smart Pen Multimeter Electric Pen Voltage Detector 2. Features: 3. Extremely Fast Measurement, Intelligent Identification 4. Ncv Non-contact Induced Voltage, Two-color Screen Display, Buzzer Alarm Sound 5. Line Breakpoint Detection, Use The Ncv Function To Induce Voltage, Find The Normal Place Along The Power Line To Alarm, The Power Failure Induction Becomes Weak Or Does Not Respond 6. Automatic Identification, Live Linezero Line Distinction, Breakpoint Detection, Sound And Light Alarm, On-off Beep, Automatic Shutdown, Ncv Voltage Detection, Replaceable Test Leads, Flashlight, Etc. 7. Ac Voltage Test, Direct Measurement After Power On 8. With A Non-contact Infrared Thermometer, The Double Insulating Body Material Greatly Improves The Safety Standard 9. High-brightness Flashlight And Light-emitting Screen, Can Be Used As Auxiliary Lighting In Dark Environment At Night 10. Parameter: 11. Range: 0-500v 12. Resistance: 0-2 Megohms 13. Frequency: 40-400hz 14. Power Supply: 2 X Aaa Batteries (not Included In Shipment) 15. Automatic Shutdown: 5 Minutes 16. On-off Buzzer: The Measured Resistance Is Less Than 50 Ohms, The Buzzer Sounds 17. Dimensions: 22 X 22.5 X 188mm 18. Net Weight: 52g 19. Packing List: 20. -.1 X Host 21. -.1 X Chinese And English Dual Instruction Manual 22. -.1 X Test Lead 23. -.1 X Screwdriver 24. -.1 X Box