High Precision Voltage Reference: This LM4040 module provides a stable and precise voltage reference with options for 2.048V and 4.096V outputs, ensuring high accuracy for sensitive applications. Versatile Use: Perfect for a wide range of microcontroller applications, this voltage reference source board is essential for ensuring the accuracy and reliability of your digital and analog systems. Compact and Reliable: Designed with a focus on durability and compactness, making it easy to integrate into existing projects without taking up much space. Due to different batches, there may be differences in product appearance and printed text, which not affect use. Quantity:A:3Pcs Colour:Black Material:PCB Package Contents: 3 * Precision Voltage Reference Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.