Fangrui Product Details 1. Duoyi Dy18 Car Circuit Tester Probe Diagnostic Tool 12v 24v Current Voltmeter 2. Features 3. It Is The Electrical Tester For Reducing Diagnostic Time In Automotive Electrical Systems. 4. Its Long Cable Makes Your Testing Easily. 5. After A Simple Hook-up Of The Unit To The Battery Of Vehicle, Automotive Technician Can Conduct A Positive Or Negative Battery Current To The Tip By Rocking The Power Switch Forward Or Backward. 6. It Has Short-circuit Protection And Can Test For Bad Ground Contacts Instantly. 7. It Allows You To Track And Locate Short Circuits. 8. It Can Also Test For Continuity With The Assistance Of Its Auxiliary Ground Lead. 9. It Is A Comprehensive 6-24v Dc Test Kit. 10. Application 11. Test For Continuity 12. Test For Polarity Of A Voltage 13. Check Switches, Relays And The On-off Of Diodes, Fuses And Circuits 14. Test For Polarity Of Electric Cables And Plugs 15. Track And Locate Short Circuits 16. Test For Bad Ground Contacts 17. Specification 18. Operation Voltage: 6-24v Dc 19. Cable Length: About 4m 20. Overload Protection: 8a (when The Current Exceeds 8a, This Item Will Disconnect The Current Automatically.) 21. Size: 220 X 20mm 22. Weight: About 200g