Modern designed LED ceiling light Ridia with 3-step dimming function The Ridia LED ceiling light is particularly appealing thanks to its clearly defined lines and is especially suitable for modern interiors. Ridia is made of aluminium and iron and is designed in the trendy colour nickel. As it also has a slim design, it can be effortlessly integrated into different environments. 3-step dim + off: Through a wall switch, it is possible to turn the light on and off as usual. The 3-step dimming technology with integrated off function also allows it to be dimmed to three different levels of brightness by pressing the switch several times: 100%, 50% and 25%.