Features: Industrialp Timer Module with Cycle Automates equipment power cycling for repetitive testing, featuring optocoupler isolation (0.01s accuracy). This 12V cycle timer combines adjustable on/off durations (1s-999s), power loss memory function, and construction for electromagnetic environment. Essential for electronics engineers, product test labs, and aquarium maintainers requiring precise interval control for aging test simulations. Optimize industrial automation workflows control motorized systems, debug circuits, or manage intermittent filtration in aquatic setups using programmable cycle parameters. Engineered with reinforced solder joints and thermal resistant components, suitable for harsh workshop condition device stress testing scenarios. Specifications: Component:Circuit Board Time: 0s-999min adjustable Power supply : 5V Output: 5-30V / 220V 10A Operating current: 50mA Working temperature: -40~85℃ Package Includes: 1 Set Countdown 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.