ANCELPB100 Automotive Power Circuit Probe Tester, 12 24V Electrical Short/Open Breaker Finder, AC DC Diode Resistance Relay Tester, Continuity Test Digital Multimeter/Ohmmeters, 20 + 20FT Cable

This is a great diagnostic tool to have in your tool bag. The long extension cable gives you enough length to reach the rear of vehicle or a trailer to test trailer lights. Being able to apply power and ground and the longer cable are the main reasons that I purchased this.

Works great. Only thing is that it would be nice if it could come with a case.

It makes things a lot easier when troubleshootingWorks good

Listen, I like this probe, and in terms of features it does everything I need. But the case is tiny, and cheap and the wires are a nightmare to use. Maybe some form of retractable wheel to put them in? I don't know. Like I said, great product at a great cost. Terrible Storage.

Nice probe and good for a lot of jobs, automotive jobs and electrical house jobs

Great product worth every dime

I like it, it works well.

This is the second circuit tester kit I have purchased. The first one I found very useful in tracking down pesky electrical problems, but usually didn't have it handy when I was traveling and visiting repair shops while at work. So, I bought this ANCEl PB100 Vehicle Circuit Probe Kit to carry with me while the other stays at home.Included in the circuit tester kit were all the items included in the description including:*1 PB100 Circuit Probe*1 Probe Tip*1 Extension Cable (20ft)*1 Set Battery Clips*1 12-Volt Adapter*1 Case*1 User's ManualThe PB100 is powered from the battery voltage of the circuit you are testing so no internal batteries are needed. To use you just clip the alligator clips to the source battery or use 12-Volt Adapter and DC Voltage immediately shows on the backlit colored LCD screen. (To verify source voltage just touch the probe to the positive lead of the vehicle's battery or press the toggle switch forward.)Pressing the orange button on the tester toggles between the different functions of the tester.1) DC Voltage (with a resolution of 0.1 volts)2) AC Voltage (shows Max. Voltage, Min. Voltage, and frequency)3) Resistance Mode (Ohm's, for reading resistance between the probe tip and auxiliary ground lead)4) Diode Mode (for checking forward and reverse bias)There is also a toggle switch that is used to apply source voltage to a circuit (press forward) or provides a direct ground (press backward). I would caution anyone to use extreme caution when using this function as it would be easy to destroy electronic components if used incorrectly.A couple of thing I like about this tester is the two LED work lights on the front come on automatically when the probe is hooked up to a 12-volt power source. This tester also gives you an audible notification when testing circuits along with a visual notification. (explained below)*Red Light / Single Beeps: Near source Voltage is delectated or source Voltage (toggle) is being applied.*Green Light / Mutiple Beeps: Less than source Voltage is detected or a Ground (toggle) is being applied.Overall I like this ANCEl PB100 Vehicle Circuit Probe Kit very much, this type of tester should be part of any mechanic's or electronic tinkerer's arsenal. If I experience any issues I will update this review.