Fangrui Product Details Advanced Testing Capabilities: This Operational Amplifier Tester Is Designed To Efficiently Conduct Batch Inspections, Ensuring Optimal Performance Of Your Circuits, Its An Essential Tool For Both Professionals And Electronics Enthusiasts User-friendly Interface: Equipped With An Intuitive Interface, This Tester Makes It Easy To Operate And Read Measurements, Facilitating A Smoother Testing Process And Reliable: Built With High-quality Materials, Our Tester Guarantees Durability And Reliability For Prolonged Use In Various Testing Environments Portable Design: Its Compact And Design Makes It Portable, Allowing Users To Carry It Effortlessly To Different Work Settings Due To Different Batches, There May Be Differences In Product Appearance And Printed Text, Which Not Affect Use Colour:as Shown Material:aluminum Alloy Package Contents: 1 * Operational Amplifier Tester Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Different Displays May Cause The Color Of Th