Description:  Aquarium Waterproof LED Light Bar Fish Tank Submersible Downlight 4W 40CM;  Soft, not sharp and no UV ray;  Suitable for both land and underwater use;  Small size, attractive shape ,multi-seal design;  Power saving, environmental protection and low power consumption;  LED lighting will not only increase the color of fish and algae but also make your fish tank or aquarium more beautiful.     Feature:  1.High Degree Waterproof;  2.Low power for transformers, High-power line;  3.Good hyperchromic effect, make your fish and aquarium very colourful;  4.Super light beads: High light bead, close toxice life, Ultra energy saving and environmental product;  7.E*plosion-proof ultra-transparent glass: High transparency transmittance safe and dependable;  8.Entirely sealed design, safe toxication:  Wattage: 4W;  Voltage: 220V;  Length: 40cm;  LED Quantity: 36;  Frequency: 50-60Hz;  LED Type: 2835SMD;  Power Cable Length: 108cm ;  Color: White, Blue+White, RGB;  Package Includes: 1* LED Light Bar;     Note: If you want:  2.5W 20CM, please click here JGG-PT347130;  3W 30CM, please click here JGG-PT347147;  5W 50CM, please click here JGG-PT347164.