Jandy® WaterColors WLC4C LED Light Controller. Finally, a wall-mounted pool light switch made with a contemporary aesthetic that’s simple to operate and easy to install inside or outdoors. Designed for compatibility with major competitor brand lights, the Jandy® WaterColors Pool LED Light Controller lets you click through color modes with just the touch of a single finger. The Jandy® WaterColors Pool LED Light Controller is suitable for indoor, or outdoor installation with a weatherproof cover (included).