Enhance your electrical troubleshooting with this versatile Digital Multimeter, designed for both automotive and household use. Featuring a large 4-digit (4000 counts) LCD display, this multimeter delivers precise and easy-to-read measurements, allowing you to quickly and accurately diagnose electrical issues. Powered by 2 AAA batteries (not included) and equipped with an auto power-off function, it ensures efficient energy use and long-lasting performance. Key Features: · Wide Measurement Range: Accurately measures AC/DC voltage, resistance, capacitance, frequency, duty cycle, continuity, and diode functionality, making it ideal for a variety of electrical testing needs. · True RMS Measurement: Provides reliable readings even with non-linear loads, enhancing accuracy in complex electrical environments. · Large 4-Digit LCD Display: Offers clear, easy-to-read results with 4000 counts resolution for precise diagnostics. · Safety Protection Circuit: Designed with a high voltage protection circuit to safeguard the device and user during voltage testing. · Continuity and Diode Testing: Supports quick checks for circuit continuity and diode functionality, improving troubleshooting efficiency. · Anti-Magnetic and Anti-Interference Performance: Ensures stable and accurate readings even in environments with electromagnetic interference. · Auto Power-Off Function: Conserves battery life by automatically shutting down after periods of inactivity. · Compact and Lightweight Design: Easy to carry and handle for convenient use in various settings. Specifications: · Display: 4000 Counts LCD · Ranging: Auto/Manual · True RMS: Yes · Data Hold: Yes · Low Battery Indication: Yes · Refresh Rate: 3 times/second · Power Supply: 2 x 1.5V AAA batteries (not included) · Operating Temperature: 0℃ ~ 40℃ · Operating Humidity: <75% · Storage Temperature: -20℃ ~ 40℃ · Storage Humidity: <80% Measurement Ranges and Accuracy: · DC Voltage: 400.0mV to 600V, accuracy up to ±(0.5%+4) · AC Voltage: 400.0mV to 600V, frequency range 40Hz-1kHz, accuracy up to ±(1.5%+4) · Resistance: 400.0Ω to 40.00MΩ, accuracy up to ±(2.0%+4) · Capacitance: 9.999nF to 9.999mF, accuracy up to ±(5.0%+20) · Frequency: 99.99Hz to 9.999MHz, accuracy up to ±(0.1%+2) · Duty Cycle: 1%~99%, accuracy up to ±(0.1%+2) Package Includes: · 1 x Digital Multimeter (batteries not included) · 1 x Test Cord · 1 x User Manual This digital multimeter is a reliable and user-friendly tool for electricians, technicians, and DIY enthusiasts alike. Its comprehensive testing functions, combined with safety features and high accuracy, make it an essential instrument for troubleshooting electrical problems safely and efficiently.