Oja is an universally applicable ultra-flat ceiling lamp in a modern and minimalistic design with integrated LED and that is operated from the regular wall switch. The 3-step Moodmaker integrated in Oja is operated by the standard wall switch to change the intensity of the light source. One click on the wall switch will create 100% light, whereas, two clicks will lower the volume to 50% and the third click will turn on the night light. Oja also has twist lock connection which makes it easy for one person to install the ceiling lamp. - Nordlux Modern Indoor Ceiling Light White Plastic Intergrated LED 3-Level Dimming - Mains Powered, IP20