Twinstar LED (C-Line) - CA AdjustableThe Twinstar White LED provides unparalleled performance with innovative design, creating the sleekest looking light fixture that ever grew a plant. The "C Series" is non RGB aquarium LED light that are great for both planted tank and fish only tank. It has metal adjustable stand that sits on top of rimless aquarium glass. Model 300CA: Fits rimless aquariums with glass thickness of 5mm 8mm Brightness : 1050lm Consumption : 16W Tank size(cm) : 30cm