Features:    1. Purpose: This battery tester is used to start a lead-acid battery and check the following conditions of the battery, starting, charging and loading.   2. Easy to operate: The tester is exquisite in design, easy to operate, accurate in readings, and complete in functions.   3. Display data: It provides readings on the large LCD display and passes sound and light prompts during testing.   4. Data collection: It uses the 4-wire Kelvin method to complete a series of complex data collection, thereby calculating each test data through the built-in precision circuit and an improved digital processor.   5. Safety protection: Some improvements have been made to the circuit, including polarity reversal protection, overvoltage input protection, and loose lead detection to ensure safety and convenience during testing.            Description:   This is the best tool in the field of battery sales, vehicle maintenance and battery inspection in equipment systems related to lead-acid starter batteries.      Specifications:   Material:metal,plastic   LED quantity: 6 (2 red, 3 green and 1 yellow)   Material of wire: 0.06square millimeter copper   Max. voltage and current: 12V 15A   Length of wire: 27cm   Battery tester size: 12 * 5.2 * 1.8cm                  Package Included:   1 * Battery Tester with Two Clips    Notes: 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. 2. Please allow slight dimension difference due to different manual measurement.