SUNRISE SIMULATION PRE-ALARM: natural way to start your morning, the alarm light automatically turns on before 30 minutes of alarm, slowly illuminates from 1% to to get you out of deep sleep and wakes you up with natural lighting 5 natural sound alarm: instead of worrying 3 white light modes and 256 RGB colour changing modes: this alarm light offers low, medium and high brightness (3 levels) for your reading, work and sleep. Long press the touch sensor, there is dynamic color change with Auto 256 RGB color cycle USB charging and rechargeable: integrated in the 3600mAh battery, our light alarm clock allows you to take the device anywhere without a power outlet; the product can be connected to the USB port of your computer, laptop, TV, power bank, etc. Multi-purpose lamp: used as bedside lamp, table lamp, alarm light, sunrise alarm clock, timer. The portable design also makes it a great decoration for dorm rooms, bedrooms, living spaces, cafes, lounges, parties or other special events. Relax