Ensure precise and reliable voltage measurements with this high-quality Digital Display Voltmeter, designed for easy and accurate battery testing. Built with a premium chip for stable performance, this voltmeter features a durable external shell that protects it from damage, making it a dependable tool for various electrical applications. Its innovative two-wire design allows direct battery testing, enhancing convenience and efficiency. Key Features: · Premium Quality Chip: Guarantees stable and accurate voltage readings for consistent performance. · Durable Protective Shell: The robust external casing safeguards the device against physical damage, extending its lifespan. · Reverse Connection Protection: Prevents damage from incorrect wiring, ensuring safe and reliable operation. · Two-Wire Design: Enables direct testing of batteries without complicated setups, simplifying the measurement process. · Clear LCD Blue Screen Backlight: Provides easy-to-read voltage readings even in low-light conditions. · Wide Voltage Range: Supports working and detection voltages from 4.0V to 30V, suitable for various battery types and electrical systems. · High Measurement Accuracy: Offers 3% accuracy for precise voltage monitoring. · Fast Measurement Rate: Updates readings at a rate of ≥200ms per time for real-time monitoring. · Intelligent Decimal Point Conversion: Displays two digits after the decimal point for voltages under 10V and one digit for voltages above 10V for clear readability. · Overrange Display: Alerts users when voltage exceeds the measurable range, preventing misinterpretation of data. Specifications: · Condition: 100% Brand New · Working Voltage: 4.0-30V (Two-Wire) · Working Current: <30mA · Detection Voltage: 4.0-30V (Two-Wire) · Display Mode: LCD Blue Screen Backlight · Measurement Accuracy: ±3% · Working Temperature: 10 - 65℃ · Measurement Rate: ≥200ms/Time · Weight: Approx. 35g / 1.2oz Package Includes: · 1 x Digital Display Voltmeter · 1 x Cable This Digital Display Voltmeter is an essential tool for anyone needing accurate voltage measurements in batteries or electrical systems. Its compact size, lightweight design, and user-friendly features make it ideal for both professional technicians and hobbyists seeking reliable and efficient voltage testing solutions.