High Compatibility: Perfectly compatible with for Arduino and other microcontrollers, this module is ideal for a wide range of electronics projects and applications. Easy Integration: Features straightforward connections with clearly marked pins for hassle-free setup and integration into your projects. Durable Design: Built with robust materials, the ACS712 module ensures long-lasting performance and stability in various operating conditions. Precision Engineering: Utilizes the Hall effect principle for precise current sensing, making it suitable for critical applications where accuracy is paramount. Specification:30A Color: As Shown Material: PCB Package Contents: 3 x Hall Current Detection 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.