Designed for versatility, this relay module offers an adjustable delay time feature, activated by an external button. It is suitable for a wide range of applications, from industrial automation to systems. The reliable performance and ease of use make it an essential component for controlling electrical circuits with precision. Features -Color:Green -Material:Plastic -Size:6.76X1.92X1.90cm/2.66X0.75X0.75in -Flexible time adjustment: easily modify the delay time for disconnection to match your needs, enhancing versatility. -Convenient button activation: the external button trigger feature allows for easy and quick activation of the relay. -Reliable switching performance: ensure your circuits operate smoothly with this stable and reliable relay switch module. -Multiple application scenarios: for various settings including homes, offices, and factories, addressing diverse needs. - quality: crafted from materials, this relay module promises durability and reliability over time. Package list: 5 x Relay Module