Waterproof and rust-proofOur Outdoor Post Light adopts sturdy and durable aluminum structure and water glass panel, which is durable and weather-resistant, suitable for long-term use in outdoor environment. High sensitivity light sensor Our Dusk to Dawn light fixture will auto turn on at night and turn off at daytime, create more convenience for your life and save energy. PS: this dusk to dawn wall lantern can also be used as normal one when you cover the sensor.