Hygger High-Quality Led Aquarium Light With Extendable Mounting Brackets Is Specially Designed For Most Fish Tank (12-52 Inch) Use We Use 5730 Leds, More Bright And Energy Saving, Soft Light Will Make Your Aquarium Water Looks Sparkly Clean, The Green Or Red Plants Under The Water Looks More Bright And Beautifulother Features Of Hygger Aquarium Led Light: The Whole Light Shell Is Aluminum Alloy Metal, Nice Touch Feel, Fast Heat Dissipation- Comes With 2 Kinds Of Freely Extendable Mounting Brackets- External Controller Has Memory Function In Case Of Power-Down- Easy To Install On Covered Or Uncovered, With Rim Or Rimless Glass Or Acrylic Fish Tanks- 3 Light Color Modes: White Leds, Blue+White+Red Leds, Red+ Blue Leds- Under Each Light Color Modes, You Can Adjust The Light Brightness For 5 Levels - You Can Set Light Time To 3H, 6H, 12H On The Controller- Acrylic Baffle To Prevent Water Drops In No Steam- Seals With Waterproof Glue, If Accidently Falls In Water For A Moment It Will Not Damage The Light 3 Led Light Color Modes The White Led Light Is For Daytime Use Simulate Natural Sun Light To Help Plant Growingthe Other Led Color Light Is For Night Time Use, Make The Underwater Word More Colorfulhow Does Time Setting Work Please Note That When It Reaches To The Set Lighting Time, The Light Will Not Turn Off, It Will Keep At The Dimmest Levelsspecifications: Output: Dc 12Vinput: Ac100-240V60Hzwattage & Led Qty& Fish Tank: 9W (18 White+4 Blue+2 Red) For 12-18 Inch Fish Tank 14W (30 White+6 Blue+3 Red) For 18-24 Inch Fish Tank 16W (30 White+8 Blue+4 Red) For 24-30 Inch Fish Tank 20W (42 White+12 Blue+6 Red) For 30-36 Inch Fish Tank 25W (54 White+14 Blue+7 Red) For 36-46 Inch Fish Tank 32W (60 White+18 Blue+9 Red) For 46-52 Inch Fish Tank Kelvin: 6500Kcable Length: 5Ft +18Ft