Features 1、Connect with phone by wireless function, and real‑time data can be recorded, analyzed and processed by the mobile APP, with timing and curve graph. 2、APP can connect four wireless multimeters and simultaneously monitor the measurement data of the four multimeters in real time. 3、Manual &amp; auto ranging design, suitable for traditional manual switching operation, also suitable for beginners' no‑switching operation. 4、This multimeter can measure temperature, capacitance, diode, continuity, Ohm, Hz, duty cycle, AC/ DC voltage, AC/DC current, etc. 5、With large LCD display, convenient to read data, 6000 counts high accuracy handheld digital multimeter, reliable to use. Specification Condition: 100% Brand New Item Type: Digital Multimeter Material: ABS Color: As shown in the picture Attention: ZT-300AB has a high-precision display of 6000 Counts, large capacitance measurement, under the measurable conditions of 10A high current, it also retains a small current measurement of 0.1/u03bcA, including temperature and NCV is also one of its functions. And there are 6 buttons at the same time, which can be used to switch the range, record the size value, absolute value, Bluetooth function, HOLD and frequency measurement. Display 6000 counts Range Auto/Manual Sample rate 3 seconds/time True RMS Support Data-hold Support Backlight Support Low Battery Indication Support Auto Power Off Support Function Range Resolution Accuracy DC Voltage DC(V) 6V 0.001V ±(0.5%+ 3) 60V 0.01V 600V 0.1V 1000V 1V DC Voltage DC(mV) 60mV 0.01mV 600mV 0.1mV AC Voltage AC(V) 6V 0.001V ±(1.0%+ 3) 60V 0.01V 600V 0.1V 750V 1V AC Voltage AC(mV) 60mV 0.01mV 600mV 0.1mV DC Current DC(A) 6A 0.001A ±(1.2%+ 3) 10A 0.01A DC Current DC(mA) 60mA 0.01mA ±(1.2%+ 3) 600mA 0.1mA DC Current DC(uA) 600uA 0.1uA 6000uA 1uA AC Current AC(A) 6A 0.001A ±(1.5%+ 3) 10A 0.01A AC Current AC(mA) 60mA 0.01mA 600mA 0.1mA AC Current (uA) 600uA 0.1uA 6000uA 1uA Resistance Ω 600Ω 0.1Ω ±(0.5%+ 3) 6KΩ 0.001KΩ 60KΩ 0.01Ω 600KΩ 0.1Ω 6MΩ 0.001MΩ 60MΩ 0.01MΩ ±(1.5%+ 3) Capacitance (F) 9.999nF 0.001nF ±(5.0%+ 20) 99.99nF 0.01nF ±(2.0%+ 5) 999.9nF 0.1nF 9.999uF 0.001uF 99.99uF 0.01uF 999.9uF 0.1uF 9.999mF 0.001mF ±(5.0%+ 5) Frequency HZ 99.99HZ 0.01HZ ±(0.1%+ 2) 999.9HZ 0.1HZ 9.999kHZ 0.001KHZ 99.99KHZ 0.01KHZ 999.9KHZ 0.1HZ 9.999MHZ 0.001MHZ Duty cycle 1%-99% 0.001 ±(0.1%+ 2) Temperature -20-1000℃ 1℃ ±(2.5%+ 5) -4-1832°F 1°F Diode Support Continuity Support Bluetooth Support Battery 2 x 1.5V AA battery (not included) Size Approx. 161x81x39mm / 6.3x3.2x1.5in Operating temperature 0-40℃ Operating humidity <75% Storage temperature -20-60℃ Storage Humidity <80% Package List 1 x Digital Multimeter(Battery Not Included) 2 x Test Leads 1 x Thermocouple 1 x Cloth Bag 1 x Instruction Manual