This relay module features an external button that triggers the connection and allows for adjustable delay time before disconnection. It is designed to provide precise control over electrical circuits, making it ideal for various applications. The module is compact and easy to integrate into existing systems, ensuring reliable performance and user-friendly operation. Features -Color:Green -Material:Plastic -Size:6.76X1.92X1.90cm/2.66X0.75X0.75in -Adjustable delay time: the relay module allows you to freely adjust the delay time for disconnection, catering to various application needs. -External button trigger: easily trigger the relay with an external button, making operation straightforward and userfriendly. -Stable circuit switching: this reliable relay switch module ensures stable circuit switching, preventing any instability in your electrical systems. -Versatile applications: suitable for use in homes, offices, factories, and more, meeting the demands of different fields. - reliability: made with materials, this relay module durability and longterm reliability. Package list: 1 x Relay Module