Wake up naturally - start your day in a pleasant way. Wakes the body gradually with light using a 30 minutes sunrise simulating process. A choice of gentle wake up sounds improves the experience of waking up. Choice of 4 natural and pleasant wake-up sounds. Contains Philips lighting technology with light level up to 300 lux. Includes snooze function. Energy Saving Lamp consumes up to 56% less energy. Manufacturer's 2 year guarantee.