Penn Plax Simplicity Aquarium LED Light Deluxe 4 Color With Built In Time And Temperature Display Deluxe LED aquarium light features 39 bulbs for maximum brightness and color. Light includes a programmable feature with 4 vivid colors red, white, blue, and green. Built in digital temperature display and digital clock. Touch sensitive controls. LED light fits a wide variety of aquariums with adjustable mounting bracket. Can be used over open water. Suitable for freshwater or marine environments.