Features: Adjustable width Frame Mounts hold fixture securely above aquarium – 6 ft. Power Cord with durable on/off rocker switch for convenient lighting control – cUL Approved low-voltage power adapter – Blue and White LED’s for Saltwater/Marine life and fishes. Blue, White and Red LED’s for Freshwater plants and fishes. Available in Sizes to Fit Most Aquariums: 20 Inch model fits aquarium frames between 19.5 inches and 23.5 inches, 24 Inch model fits aquarium frames between 23.5 inches and 27.5 inches, 36 Inch model fits aquarium frames between 35.0 inches and 39.0 inches, 48 Inch model fits aquarium frames between 43.5 inches and 48.0 inches. 

• 20-Inch Freshwater LED Fixture with (15) 1/2-Watt LED's. 8000K, 7 Watts, 510 Lumens. LED's: (8) 0.5W White, (3) 0.5W Blue, (4) 0.5W Red
• 24-Inch Freshwater LED Fixture with (18) 1/2-Watt LED's, 8000K, 9 Watts, 585 Lumens. LED's: (9) 0.5W White, (4) 0.5W Blue, (5) 0.5W Red
• 36-Inch Freshwater LED Fixture with (30) 1/2-Watt LED's, 8000K, 15 Watts, 1055 Lumens. LED's: (15) 0.5W White, (7) 0.5W Blue, (8) 0.5W Red
• 48-Inch Freshwater LED Fixture with (42) 1/2-Watt LED's, 6000K, 21 Watt, 1475 Lumens. LED's: (21) 0.5W White, (11) 0.5W Red, (10) 0.5W Blue