WIDE APPLICATIONS - KAIWEETS digital multimeter features 6000 counts auto-ranging for accurate measurement of AC/DC voltage, AC/DC current(DC is the default), resistance, continuity, frequency, capacitance and diode, liquid temperature, wire on-off, Battery checking. This advanced tester can diagnose automotive, industrial and household electrical issue..EASY OPERATION - Switch the dial and the LED lights on the jacks will shine accordingly. To plug in the leads is a real ease. Large 2.9” LCD backlight display. Dual Display with bar graph. Flashlight on the back ensures easy use in dimly lit places. Stable Kickstand, pen slot on the back..MULTI-FUNCTION - Non-contact voltage testing and Live function with sound and light alarm. The Sceen changes to red while detecting live wire. Low battery prompt, Data retention, Max/Min data, Auto Power-Off, Auto-Ranging..SAFETY FIRST - IEC Rated CAT III 1000V, CAT IV 600V, CE, RoHS certified. Anti-Burn with double ceramic fuse and thermistor protection circuit. High Voltage Protection is active on all ranges. Double insulated unit. Silicone protective case prevents it from falling damage.AFTERSALES--Combined with Amazon's excellent delivery service, we provide 36-Month after sale service, lifetime technical support. Please feel free to contact us if you have any concerns.