This P7RGB PRO Waterproof RGB Tube Light with Built-In Battery from DigitalFoto Solution is a serious multi-featured LED light fixture with a 15.7' form factor that is ideal for handheld use. One of its attention-grabbing features is its IP68 waterproof rating that allows it to be submerged to 16.4' but it also has major color control options. In normal mode the CCT temperature is variable from 3000 to 6000K. It also has an RBG mode that gives you access to 36,000 custom colors. It's dimmable from 5 to 100% and you can make adjustments to color and light intensity locally on the fixture or with the remote control via a free app. The remote also allows you to control four modes including Lightning, Gradient, Progressive, and Police Car. The fixture runs on an integrated 7.3V / 10400mAh battery that will give you up to five hours of runtime.