Description of MR CARTOOL B550 Circuit Tester: Advanced Automotive Power Testing Tool For Vehicles And Motorcycles
【Smart Multimeter with 2.4" TFT Display】MR CARTOOL B550 electrical system tester is a multimeter with 2.4" TFT color true display, supporting voltage test, resistance test, diode test, continuity test, trailer lights and connection test, AC circuit signal test, vehicle component activation, bad ground contacts checking, short circuits following & locating, suitable for all 9V-30V vehicles. 【0~5V Power Supply & Voltage Alarm】Adjustable power(0-5V) supply allows you to adjust the voltage output below 5V and limit the current below 100mA, protecting other electrical components. Voltage Alarm function let you easy to learn output voltage situation. If the voltage of the tested vehicle is higher or lower 0.5 volts than the special voltage you setting, alarm will be triggered. 【13 Languages & Firmware Upgrade】B550 automotive circuit tester supports 13-language dispaly and online firmware upgrade. By in setting interface, select “Firmware upgrade” to enter into update mode, then connect PC with USB cable to probe, open update tool on computer to update. 【8m Connection Cable & Built-in Flashlight】2m Origional Cable Plus 6m Extension Cable is long enough to access any electrical system of cars, trucks and trailers. Built-in flashlight design allows you to test in a less bright environment. 【WARRANTY】MR CARTOOL offers 24-month warranty and 7x24 hours friendly customer service to ensure your shopping experience. No need to pay extra for warranty service, saving you a lot of money! If you have any issues, please can contact us, we will provide you with a solution ASAP.