Features: This module combines delay power off, electricity upper/lower limit detection, and cycle timing control (0.01s-9999min) with industrial grade durability, supporting 6-30V power supply and multiple modes for automation Featuring adjustable timing/counting parameters, isolation protective, switcher controls, and real time electricity monitoring through its LED with permanent parameter memory. Ideal for automation engineers, industrial equipment technicians, and electronics enthusiasts requiring timing control in motor systems, security devices, or energy management applications. Perfect for maintaining electricity stability, implementing timed irrigation systems, creating safety cutoffs for battery charging stations, or automating production line equipment with cycle based operations. Its multi mode functionality and flexible integration into smart home setups, laboratory instruments, and automotive testing environments while preventing reverse connection damage. Specifications: Component:Plastic Size:Approx.60x53.6mm/2.36x2.11inch Working electricity: 6-30V Operating current: 50mA Working temperature: -40-85℃ Package Includes: 1Pc Single Way Module note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.