WRGBII Slim 30The WRGBII Slim 30 uses high-quality white, red, green, and blue LEDs to deliver full-spectrum lighting optimized for planted tanks. Its slim profile houses advanced LED technology that enhances plant photosynthesis while dramatically improving color rendition in both plants and fish. Designed for smaller aquariums, it offers strong output in a compact footprint. Chihiros lights include a built-in Bluetooth controller so your lighting can be customized directly from your phone (app required, phone not included with light). This will allow you to set your Sunrise, Sunset, Ramp time and customize the color spectrum of your lighting. WRGB full-spectrum LED technology Enhances plant growth and coloration Slim 11" design Ideal for standard planted aquariums High color rendering output WRGB II Slim LED Light: 3 in 1 RGB LEDs, APP controllable, 3 colors (Red, Green and Blue) adjustable.Chihiros WRGB II Slim Edition is designed for planted aquariums. With built-in controller, you can simulate sunrise and sunset effect, customize spectrum intensity at each time point. No need for an external timer.With relatively low power consumption, with a high beam angle and suite aquarium sizes from 30 to 140 cm in length.