Features: This 12V delay relays module offer 8 adjustable timing ranges (0.1s to 1 hour) for precise control in smart automation systems, featuring a NOT (Normally Open) design that outperforms traditional relays in flexibility and accuracy. Built with an energy efficient circuit board that minimizes power consumption while maintaining robust anti interferences performances, ensuring stable operations across various electrical environments. Ideal for DIYer enthusiasts,homeowners, and small businesses seeking automation solution without professional installation requirements. Perfect for synchronizing lighting systems, automating garage doors, or managing irrigation schedules in residential, commercial, and light industrial applications. The easy installation design with clear terminals markings simplifies integration into existing 12V systems, making complex timing operations accessible even for first time users of electronic timer modules. Specifications: Component: Circuit Board Operating voltages 12V Delay adjustable ranges 0.1s-1h Maximums load current 10A Size:Approx.57mm/2.24''x30mm/1.18'' Quantity:1,2 Package Includes: 1/2Pcs Delay Relays note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.