Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:

Create a detailed description for the following product: U100, belonging to category: Travel Ultrasonic Humidifier

### Response:
Efficient air humidification and a handy construction characterise this travel accessory. The upper half of the device serves as a functional storage for the power supply unit and as a useful stand for the ideal installation height during operation. The bottle adaptor allows to use commercially available PET bottles with a volume of up to 0.5 litres as water tank. Both the two humidification levels and the illumination colours are controlled via a single touch button.
### End