This is a light controller designed for LED wall lights and flood lights for the voltage range of 120-277Vac. This light controller can automatically control the switch of LED wall lights and flood lights according to the ambient light intensity, realizing intelligent lighting control. Its high sensitivity and reliability ensures that the lighting system is energy efficient and avoids unnecessary lighting during the day or when there is sufficient light. With a rugged waterproof and dust proof design (usually up to IP65 or higher), the light controller is ideal for outdoor use and can withstand harsh environments.