This is a classic ocean wave light equipped with a dry-battery remote controller. It features adjustable brightness, built-in hypnotic music, and 7 lighting modes. It can project colorful lights onto smooth ceilings or flat walls, creating a romantic, relaxed and cozy atmosphere for the space. Meanwhile, it supports external audio playback, allowing users to enjoy beautiful music while appreciating the pleasant ambiance, and helping them relax both physically and mentally.