KESSIL A160WE TUNA BLUE W/ GOOSENECK COMBO External controllability in addition to its enhanced manual controllability Shimmer Kessil lights are the only LEDs capable of producing a spectacular shimmer that rivals MH Spectrum Kessil led chips are manufactured in-house with spectrums customized for aquarist needs Works with 360, 150 and 160 models, Designed to be used on most glass tanks Malleable but sturdy arm provides a strong, adaptable solution to install your Kessil aquarium light