About this item LED AQUARIUM FISH TANK LIGHT WITH TIMER- The fish tank light has built-in timer and 3 timing durations, it will come on and go off at the same time every day and light up for 3 hours,9 hours or 12 hours.No need to buy extra timer. 3 LIGHTING MODES- The White, the Bule or The White & Blue Light Brings Out The Color of Everything in Tank,Creates a Wonderful Aquascape. It is The Best Choice for Main Light of The Fish Tank, Accent Light,or Replacement Aquarium Hood Light. ADJUSTABLE BRIGHTNESS-The Aquarium Lights for Fish Tank Brightness of White Light or Blue Light Can be Adjusted Individually for Your Need with The Built-in Dimmer GOOD FOR PLANT & FISH-7500K White LEDs and 500nm Rich Blue LEDs Illuminate Your Aquarium Brilliantly and Build the Best Natural Underwater World, Which is Suitable for Freshwater and Saltwater Fish-Only Tanks and Low Light Level Plants, Glass Fish Tank, Air Bubbler Lighting, Rockery, Coral, Terrarium, Fountain, Artificial Landscape. WATERPROOF AND EASY TO MOUNT-It Is Submersible And with Moveable Suction Cups, Mount the Light on Tank Bottom or At The Top, Attach It Into The 20～30 Gallon Large Fish Tank Any Angle or Even Outside the Tank. › See more product details