Experience precise and reliable electrical measurements with this versatile Digital Multimeter, designed to safely and accurately troubleshoot a wide range of automotive and household electrical issues. Equipped with a large 4-digit (9,999 counts) LCD display, this multimeter delivers clear, easy-to-read results, enabling you to complete your work efficiently and with confidence. Powered by two 1.5V AAA batteries (not included), it features an auto power-off function to conserve battery life, making it a dependable tool for both professionals and DIY enthusiasts. Key Features: · Comprehensive Measurement Functions: Accurately measures AC/DC voltage, DC/AC current, resistance, capacitance, frequency, duty cycle, continuity, and diode testing, providing a complete solution for electrical diagnostics. · True RMS Measurement: Ensures precise readings even in complex electrical environments, enhancing measurement accuracy for AC signals. · Large 4-Digit LCD Display: Offers high resolution (up to 9,999 counts) with backlight for easy visibility in various lighting conditions. · Safety and Protection: Built-in high voltage protection circuit safeguards the device during voltage testing, ensuring user safety and device longevity. · Auto and Manual Ranging: Supports both automatic and manual ranging modes to suit different testing preferences and improve measurement efficiency. · Continuity and Diode Testing: Quickly identifies circuit continuity and diode functionality with audible alerts for user convenience. · Portable and User-Friendly: Constructed with durable ABS material, includes data hold function, low battery indication, and a convenient carrying bag for easy transport and storage. · Wide Operating Conditions: Functions reliably within 0~40℃ operating temperature and humidity below 75%, suitable for various indoor environments. Specifications: · Display: 4-digit (9,999 counts) LCD with backlight · Measurement Accuracy: DC Voltage ±(0.5%+3), AC Voltage ±(1.0%+3), Resistance ±(1.0%+3), Capacitance ±(5.0%+20), Frequency ±(0.1%+2), Duty Cycle ±(0.1%+2) · Voltage Range: DC up to 999.9V, AC up to 750V · Current Range: DC/AC up to 9.999A · Battery Type: 2 x 1.5V AAA (not included) · Auto Power Off: Yes · Material: Durable ABS · Operating Temperature: 0~40℃ · Storage Temperature: -20℃~60℃ Package Includes: · 1 x Digital Multimeter (batteries not included) · 1 set x Test Probes and Cables · 1 x Carrying Bag · 1 x User Manual This Digital Multimeter is an essential diagnostic tool for automotive maintenance, household electrical troubleshooting, and various electronic projects. Its comprehensive measurement capabilities, safety features, and user-friendly design make it a reliable choice for accurate and efficient electrical testing.