Features: Convenient Signal Amplification and Conversion Rate Judgement:This module allows you to easily amplify signals and judge the conversion rate of various op amp models like TL071, TL072, TL081, and TL082. Perfect for electronic enthusiasts and professionals. Wide Compatibility:Supports a variety of single op amp models including LM741, LF356, NE5534. Find the suitable option for your circuit needs. Suitable for Circuit Designers:Designed for circuit designers and engineers, this module helps identify low speed chips disguised as high speed ones. Ensure optimal performances in your designs. Versatile Applications: Whether you're working on signal processing circuits or any other electronic project, this module is a must have tool for testing, troubleshooting, and optimizing your circuits. Compact and Reliable:Made from quality materials, this compact module offer excellent reliability and interchangeability. Specifications: Material:PCB Size:Approx.6x3x1cm/2.36x1.18x0.39in for TL071 TL072 TL081 TL082 Package Includes: 1xAmplifier Module note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.