Features: Experience the natural rhythm of light with the fish tank light controller, featuring analogs sunrise and sunset simulation to create a comfortable environment for your life. This aquariums light timer offer customizable time brightness setting, allowing you to simulate nature's varying light conditions effortlessly. Ideal for aquariums enthusiasts, from hobbyists to professional aquarists, who seek to optimizes their fish tank environment. Perfect for home aquariums, commercial displays, and educational setting, enhancing both aesthetic appeal and ecological observation with ease. With its user friendly LCD display and strong compatibility with LED and fluorescent lights, this controller is designing to enhances your aquariums experience while conserving energy. Specifications: Component:ABS Voltages input:DC5V-30V The maximumly power do not exceed:150W Sunrise and Sunset models: 90 Minutes 12/24 Hours Option Features: The datas"ON/OFF" of timer is separated easy for operation Wide ranges voltages input: DC5V-30V. Brightness with 10 level dimable, Switches ON/OFF option Sunrise and Sunset models:90 Minutes. 12/24Hours option Maximumly power 150W. Timer and datas keep after input power"OFF" Package Includes: 1pcs Aquarium Light Timer Controller note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.