Features: Professional Battery Tester for Acid & Lithium Batteries Multi Compatible Design with High Precisions voltages Detection for Accurate Readings. Features Plastic Construction, Compact Size, and Clear LCD Screen for Real Time Battery Monitoring On the Go. Essential Tool for Electricians, Maintenance Technicians, and Outdoor Enthusiasts Requiring Battery Analysis. Optimized for Field Repairs, Power Checks, and Routine Vehicle/Equipment Maintenance in Harsh Environments. Built In Overload Protections Safeguards Against Electrical Hazards During Testing, Ensuring Safe Operate Across Battery Systems. Specifications: Component: Plastic Measurement Ranges: Voltages: 0 to ±120V Internal Resistance: 0.000mΩ-500Ω Current: 50mA-50uAAC Screen size: about. 55x57mm/2.17x2.24in Power Supply: 3.7V Battery Flashlight: YES Other Function: Low voltages Detection, Backlit, Auto Off Pattern: Normal Screen/Color Screen Size: about. 22x14.6cm/8.66x5.75in Package Includes: 1pc Battery Tester note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.