This PLA material Moon lamp has two shades of light, cold white and warm yellow. It can be activated with a special touch sensor, simply touch to turn on, again to change light colour and again to turn it off. You can also hold the sensor to change brightness (no cords necessary - rechargeable battery operated). It makes a wonderful night light, as an alternative to salt lamps. It's 3D printed from PLA which is a bio degradable plastic.