Features: 1 Channel Delay Timer relays Module offer intelligent pulses triggered control with auto cycling after power off, delivering precise timing management for electronics projects through its programmable delay intervals and loop functions. Engineered with circuit board materials, this energy efficient module ensures stable low power operations and enhanceds antiinterference capabilities, for prolonged development board applications. for engineers, electronics enthusiasts, and developers seeking time control solution in prototyping, industrial automation, or smartests home systems. for integrating into automated equipment, workshop machinery, or outdoor devices requiring cyclics timing operations and flexible triggered modes (0.1s 9999s adjustable). Its , construction simplifies installation on development boards like while maintaining reliability in harsh environments with temperature fluctuations or electrical noise. Specifications: Materials: Circuit Board Size:6.5x4cm Type: 5V, 12V, 24V (optional) Package Includes: 1PC Timer relays Module note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.