hygger Auto On Off LED Aquarium Light Extendable 12-17 Inches 7 Colors Sunrise Sunset Full Spectrum Light Fixture for Freshwater Planted Tank Build in TimerBrand: hygger Color: Black Features: Hygger 957 Planted Aquarium Light features programmable, gradual 24 hour light cycle settings (sunrise, midday, sunset and night), auto on and off, to create a optimal condition for your fish and aquatic plants Build in Timer The lighting system enables a variety of features such as customizing the intensity and colors of the light, setting up daytime to nighttime schedules, mimics sunrise and sunset, color