Deckey Aluminum LED Wall Sconce Night Light,Motion Sensor Light,Battery-powered Wall Light Powered by 4 AA batteries, the sconce can be mounted on any wall right out of the box. So it is very convenient to use. Motion Sensor + Light Control: Lights turn on when motion is detected, turns off automatically after 30 seconds. Three modes: high/low light/off The light is only for indoor and dry location.Avoiding installation nearing heated and humid location. There is an eye protector screen over it, so it's soft on the eyes.