Features High-Accuracy Measurement Tool: This VU meter header delivers precise readings, ensuring optimal performance for your audio equipment and enhancing sound quality User-Friendly Pointer Dial: The intuitive design allows for easy interpretation of measurements, making it an essential tool for both beginners and professionals Durable Construction: Made from high-quality, wear-resistant materials, this DB amplifier header is built to withstand regular use, ensuring longevity and reliability Nighttime Visibility: Featuring a bright orange 12V 55mA bulb, this device provides clear visibility in low-light conditions, enabling accurate monitoring at any time Versatile Application: Ideal for DIY projects, recording studios, and car audio transformations, this testing tool adapts to various setups, making it a must-have for audio enthusiasts Features: 1、The battery capacity checker has high visibility LCD display screen, with backlight function and high accuracy of battery voltage test. 2、This product is made of ABS, has long service life, very easy to operate, ideal for checking voltage before parallel charging. 3、It can used as battery voltage capacity checker controller,also can used as servo tester to test standard and narrow servo. 4、Use for Li？po, Li？Fe, Li？Ion, as well as NiMH and NiCd battery, it can also display the voltage of each cell, so you know when they need to be balanced. 5、The battery tester with balancer function helps to optimize your batteries performance and extend the overall lifespan by ensuring the individual cells are balanced. Specification: Item Type: LCD Battery Capacity Checker Material: ABS Measurable: Li-Po, Li-ion, Li-Fe, NiCd, NiMH Discharge Current: 1A Balance Current: 1A Battery Voltage Test Accuracy: 0.001V Display Mode: Battery cell voltages, total voltages, lowest cell voltage, highest cell voltage, difference between highest cell voltage and lowest cell voltage Package List: 1 x Tester 1 x Manual Package List 1 x Tester 1 x Manual