Tempest lenses are water­proof and UV-resistant and may be used inside or out. Lenses are held in place by any Tempest blast lens holder, egg crate or top hat. We have what it takes to make most out of excit­ing new Blast Powercore lineup from Philips color kinetics. Now, can use these hi-tech holographic beam-shap­ing lenses to spread light way you always wanted to. With three symmetrical and two assymmetric patterns to choose from and two styles of Blast to use them with, have all choice always needed. For use with Philips color kinetics color blast powercore, Philips color kinetics eW blast powercore and Philips color kinetics iW blast powercore.