PROFESSIONAL MULTIPURPOSE TRUE RMS MULTIMETER for electricians, home and automotive uses, perfect for electronic projects. Accurately measure voltage, current, resistance, capacitance, temperature, frequency, and duty cycle. Portable multitester for household, hvac, automobile, industrial and field applications: true-rms voltmeter, ammeter, ohmmeter, conductivity checker, capacitor and resistor tester, thermometer, and NCV (contactless) voltage detector all in one handheld precision tool. LARGE EASY-TO-READ DIGITAL DISPLAY with 6000 COUNTS for high accuracy. Features a handy RELATIVE MEASUREMENT function, Max/Min display, and data hold function. Select AUTO RANGING or manual ranging. BRIGHT BACKLIGHT (15 seconds.) Auto-power off after 15 minutes (can be disabled by user.) TRMS (TRUE ROOT-MEAN-SQUARE) values for all AC measurements. VERY ACCURATE MILLIVOLT RANGE: accurate to 0.5% of reading. Microamp (600uA, 6000uA), Milliamp (60mA,600mA), and Amp (6A,10A) current ranges. SMALL BURDEN VOLTAGE in uA and mA current ranges for better accuracy: shunt resistance of 100Ohms for uA ranges and 1 Ohm for mA ranges. FAST RESPONSE and QUICK POWER UP. FAST RESISTANCE MEASUREMENTS at accuracies of 0.5% for most resistance ranges (1.5% above 6 Megohm). Also features audible continuity check and diode test function. NON-CONTACT VOLTAGE DETECT function is useful for proximity voltage detection in power cords, cables, wires, circuit breakers, electrical fixtures, outlets and switches (bar display and buzzer.) Compliant with IEC 61010-1:2001, CAT III 1000 Volt and CAT VI 600 Volt overvoltage standards. Durable heavy-duty housing with protective rubber sleeve for mechanical protection. Comes with CARRYING CASE, user manual, 9V battery, test leads, and Type K thermocouple probe for temperature readings. 10-YEAR WARRANTY, HASSLE-FREE REPLACEMENT GUARANTEE, and 100% MONEY BACK GUARANTEE.