Features: Constructed from Plastic Shell, this timer switches is designed to withstand daily use, insure long-lasting performances in various environments. The automatic timer switches optimizes energy usage by controlling electrical devices based on pre-set times, significantly reducing unnecessary energy consumption. Users can easily set the timer for durations ranging from 0.5 to 20 minutes, providing flexibility to meet specific lighting needs for stairways and other applications. With strong resistance to electromagnetic interferences, this timer switches operates reliably under various conditions, insure consistent functionality over time. Good for a ranges of settings, this mechanical timer is perfect for controlling stair lights, advertising light boxes, and any electrical device that requires timed operate. Specifications: Component: Plastic Shell Size: about 17.5x60x85mm/0.69x2.36x3.35inch Package Includes: 1pc Automatic Timer switches note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.