BeamsWork 11" Hi Lumen LED Clip-on Aquarium Light Fixture 24x0.5W Dimensions: 10.75" x 5.00" x 1.00" Includes 24 LEDs 0.5 watt LED each 21x 10000K LEDs 3x Actinic 460nm LEDs Slim and contemporary light design 2 mode on / off function for day and night use Clamp on bracket Max 0.25" thick (rimless only) Non-corrosive powder coated aluminum housing Low voltage power supply