The auraLED Weatherproof Rope Light is a smart and efficient choice for instantly lighting up a yard or room with color. Completely waterproof and dust-tight, the rope light can be affixed to most surfaces and only requires 2 Aa batteries for up to 10 hours of operation. In most cases, the unit and its LEDs will even operate properly after cutting or removing a length of the rope! This provides easy customization for you to fit any space and build custom backlights for TVs and computers, line hallways or doors, and bring plain walls to life.