Automate your LED light management with a grow timer! While a 24-hour grow light timer is essential for hydroponic systems, both professional indoor gardeners and hobbyists find consistent light and dark cycles enhances the vigorous growth of their plants. This timer is suitable for other applications, such as pumps, when a predictable cycle is necessary. 90 Day Money Back Guarantee 3 Year Warranty Hassle Free Returns Free Shipping to the Lower 48 States