I purchased this about three months ago and used it for about a month, but it didn't suit my needs, so I'm selling it. It's a convenient product that allows you to set alarms with a dedicated app. It's recommended for people who have trouble waking up in the morning. JUXLamp Light Therapy Internal Clock 12000lux Therapy Light Morning Wake-Up Light Fatigue Night Shift Jet Lag Insomnia Suitable Brand: -