True-rms Automatic Digital Multimeter AC DC Amp Volt Ohm Diode HZ NCV Tester M89BOOTDTYWe Screen Automatic Digital Multimeter true-rms Voltage Capacitance Continuity Temperature Diode TestThe 620A Pocket Multimeter is palm size, 4.77 inch large LCD display, auto range, true-RMS, overload protection, shockproof silicone cover and audible NCV alarm. It is ultra-portable for the maintenance of cars, electronics, home appliances, HVAC and more. Features:Multimeter: Measures AC/DC Current, AC/AC DC Voltage, Non-Contact AC Voltage (NCV) Detection, Live/Zero Line Detection, Resistance, Diode, Capacitance, Temperature and Frequency. Loud beep: NCV sensor and live/zero line detector send audible and visual alarm when AC voltage is detected. Easy to read: 4.77 inch LCD display with backlight allows you to see readings clearly even in low light. Easy to use: Offers auto range and manual range mode for extremely simple use of the experience. Safe and reliable: Equipped with overload protection and 1000V, 10A test leads, safe and reliable to use. Long-lasting: Shockproof and non-slip silicone cover effectively protects your device from damage. ULTRA Portable: Measures in 5.6 by 3 by 0.9 inches, the palm-sized multimeter is small enough to hold in your hand or put in your pocket, easy to carry. Auto Power Off: Auto shut down within 15 minutes if there is no operation, help to save battery. More functions: Data hold, flashlight, Celsius/Fahrenheit and other functions. Parameters: (range/resolution/accuracy)AC: 6000mA (1mA) ± (1.0% + 8 digits read)AC: 10A (0.01A) ± (1.0% + 8 digits read)DC: 6000A (0.01A) ± (1.0% + 5 digits read)DC Current: 0-10A (0.01A) ± (1.0% + 5 digits read)DC Voltage: 6V (0.001V) ± (0.5% + 3 digits read)DC Voltage: 60V (0.01V) ± (0.5% reading + 3 digits)DC Voltage: 600V (0.1V) ± (0.5% reading + 3 digits)AC Voltage: 6V (0.001V) ± (0.5% reading + 3 digits)AC Voltage: 60V (0.01V) ± (0.5% reading + 3 digits)AC Voltage: 600V (0.1V) ± (0.5% reading + 3 digits)Line on-off test: if the resistance of the measured line is less than 50Omega;, the buzzer in the instrument will make continuous alarming sounds. Continuity (overload protection: 600V DC/AC, true-rms)Resistance: 0-600Omega; (0.1Omega;) / 6kOmega; (0.001kOmega;) / 60kOmega; (0.01kOmega;) / 600kOmega; (0.1kOmega;)/ 6MOmega; (0.001mOmega;)/60mOmega; (0.01mOmega;) ± (0.8% reading + 3 digits)Diode test: 1v Accuracy0.001V resolution (testing environment test current: about 1mA, open circuit voltage: about 2.8V the display shows the approximation of the diode voltage drop forward). Capacitance: 0-6nF/600nF/6uF/60uF/600uF/6mF/60mF ± (2.5% + 20 digits readout)Temperature: -40 - 1000 °C / -40 - 1832 °F ± (1% + 3 °C readout)Frequency input signal range (through A run): ge; 1/4 of full-scale value, AC 2A (true-rms): 0-100Hz/1000HzFrequency input signal range (via V run): ge; 0.8V AC voltage (true-rms) : 0-100Hz / 1000Hz Specifications:Material: ABS Valve: Black/Red (optional)Display: LCDMax display. Display Value: 6000 CountsAuto Power Off Time: 15 MinutesMaximum Working Altitude: 2000 metersBattery Type: AAA Alkaline Battery (2pcs) (Not Included)Product Size: 14.27*7.74*2.38cm/5.61*3.04*0.93inProduct Weight: 183.5g / 6.47ozPacking List:1 * Multimeter2*Test Lead1*Thermocouple1*User Manual Note:*Please read the user manual carefully before use for safety.*Battery is not included.