A new generation of high performance digital multimeter. The new display and function layout show clearer and better user experience. It is the best choice for professional electricians, enthusiasts or families. Features: Multifunctional Design: Multifunctional design, support AC current measurement, DC current measurement, AC voltage measurement, DC voltage measurement, resistance measurement, capacitance measurement, frequency measurement, diode test, live test, NCV test, continuity test, three-phase sequence detection and other functional uses to meet different needs. Backlight & Data Hold: LCD backlight display, with higher the accuracy, in sunlight and dark conditions can be clearly seen. Font large design, easy to read data, very suitable for middle-aged and elderly electricians to use, easy to operate. And the measured data can be held for conveniently checking or observing. 4000 Counts True-RMS Measurement: The digital multimeter has 4000 counts True-RMS for accurate measurements on nonlinear loads. Flashlight Illumination: Easy to use, and suitable for a variety of working environments, you can use flashlight illumination in dark environments.(Only HT135A) Power Supply & Automatic Shutdown: Powered by 3pcs 1.5V AAA battery(NOT included). To conserve power, if you do not operate the multimeter for 15 minutes, the multimeter will automatically shut down to conserve battery lifespan and be more intelligent. With low battery indication function. Wide Applications: Compact size and lightweight. It can be applied in various settings, including homes, industry, power, factories, and repair. Electricians, home inspectors, and electronics enthusiasts can all benefit from its use. Specifications: Model: HT135A / HT135D (Optional) Display Type: Digital display DC Voltage Measuring Range: 400mV/4V/40V/400V/1000V AC Voltage Measuring Range: 4V/40V/400V/750V DC Current Measuring Range: 400uA/4000uA/40mA/400mA/10A AC Current Measuring Range: 400uA/4000uA/40mA/400mA/10A Resistance Measuring Range: 400/4K/40K/400K/4M/40M Capacitance Measuring Range: 4nF/40nF/400nF/4uF/40uF/400uF/4mF/40mF Frequency Measuring Range: 10Hz/100Hz/1000Hz/10kHz/100kHz/1000kHz/ 10MHz Temperature Measuring Range(Only HT135A): -20 ~ 1000 (-4-1832) Range: HT135A: Auto range; HT135D: Manual range Operating environmental conditions: CAT. IV 600V; CAT. III 1000V (Pollution level: 2, Altiyude: