The DXAD100 electronic aroma diffuser with colour changing night light and alarm uses ultrasonic technology to moisturise the air. This aroma diffuser allows you to fragrance your room by simply adding a few drops of your favourite scented oil to the water reservoir. The DXAD100 has an LED light system, designed to create a calm and relaxing ambience. It can be used as a night light with a colour changing pattern or stay on your favorite colour, the product can also be used without lighting. With up to 5 hours of continuous whisper-quiet operation and auto shut-off when the water tank empties, the DXAD100 offers all the flexibility you need. It is also easy to operate and clean. The DXAD100 features an alarm clock which will initiate the aroma diffusion when alarm goes off, allowing you to wake up to your favorite scent every morning. This aroma diffuser also features a runback timer for safe use in short time increments. The runback timer runs at 30/60/120/180 minute increments. Comes with 3 year guarantee- registeration required.