Fits aquarium tank up to 10 gallon from 18" to 24" in lengthRecommend tank size: Up to 10 Gal. Light body without docking brackets: 17" L x 2.7" W. Tank thickness: No limit to rim size Slim and sleek, save enough room for aquarium filters and other aquarium pumps | High-Brightness LEDsThis aquarium led light uses 4 Rows of 2835 high-brightness lamp beads, super bright, energy efficient and long lasting with no bulb replacement required Led Quantity: Total 42LEDs, 30 pcs 6500K white LED, 6 pcs blue LED, 3 pcs pink LED, 3 pcs Green LED Lumens: 1050 | Extendable and Detachable BracketLight comes with 2 metal extendable and detachable brackets easy to adjust | Easy to Use : All lights on, All lights offCable Length: 5.25ft Input: 110V 60Hz |