1、[Multifunctional] With stable performance and high accuracy, it can measure DC, AC voltage, AC, DC current, diode, resistance, capacitance, frequency, duty cycle, temperature, continuity and HFE test, dual slope integrated A/D converter system. 2、[Fire Proof Circuit Design] Multimeter with metal shielding plate, with good anti magnetic and anti interference ability, full protection function, high voltage fire proof circuit design, can display 3999 counts, and has 10 automatic ranging. 3、[Overload Protection] Accurate circuit board and overload protection, using ceramic protection circuit for resistance, frequency measurement, shielding interference and continuity test can be 70OHM. 4、[Large LCD Screen] Digital multimeter with large LCD screen with backlight, easy to use, with test sockets for testing of transfer resistance, capacitance, transistors and diodes, and the range is controlled as an automatic range. 5、[Widely Application] This voltage current tester is easy to use and clear to read, made of plastic material, which is durable. Widely used for electrical measurement, industry, etc. Item Type: Digital Multimeter Material: Plastic Model: RuoShui 97 Features: Diode, transistor, continuity buzzer, low battery indicator, backlight, data holding, true RMS, automatic shutdown, analog bar graph, shock protection Duty Cycle: 1%~99.% Input Impedance: 10МΩ Sampling Rate: 3 times/s AC Frequency Response: 40~400Hz Operation Mode: Automatic range/manual range Maximum Display: 3999 LCD Size: Approx. 65 x 42 mm / 2.56 x 1.65 in Battery: 4 x AAA battery (Battery Not Included) Basic Function Range Accuracy DC Voltage 40mV/400mV ±(0.5%+5) 4V/40V/400V ±(0.5%+4) 1000V ±(1.0%+6) AC Voltage 40mV/400mV ±(1.0%+6) 4V/40V/400V ±(0.8%+10) 750V ±(1.2%+10) DC Current 400uA/4000uA ±(1.0%+10) 40mA/400mA ±(1.2%+8) 4A/10A ±(1.2%+10) AC Current 400uA/4000uA/40mA/400mA ±(1.5%+10) 4A/10A ±(2.0%+5) Resistance 400Ω ±(0.8%+5) 4kΩ/40kΩ/400kΩ/4MΩ ±(0.8%+4) 40MΩ ±(1.2%+10) Capacitance 6nF ±(5.0%+40) 60nF/600nF/6uF/60uF/600uF ±(3.5%+20) 6mF ±(5.0%+10) 60mF/600mF ±10% Frequency 10Hz/100Hz/1000Hz/10kHz/100kHz/1MHz/20MHz ±(0.5%+10) Temperature (-20~1000)℃ ＜400℃±(1.0%+5) ≥400℃±(1.5%+15) (-4-1832)℉ ＜752℉±(1.0%+5) ≥752℉±(1.5%+15) 1 x Digital Multimeter (Battery Not Included) 2 x Test Line 1 x Temperature Probe 1 x Accessories 1 x Manual