The AquaticLife WiFi Reno RGBW LED Lighting Fixture 48" is great choice for fish-only tanks. This version features built-in Wi-Fi that communicate directly with your phone. This 48 inch model fits aquarium frames between 47 Inches and 51 Inches. Appropriate for fish-only aquariums. Appropriate for fish-only aquariums. Program multiple On/Off times directly from your phone or tablet. Full spectrum RGB LED’s allows for total customization of colors over the aquarium. Easily dim the RGB and white LED’s to the desired intensity. Built-in Wi-Fi to communicate directly with your phone or through a router. Adjustable width frame mounts hold the fixture securely above aquarium. Fits aquarium frames between 35 Inches and 39 Inches.