Bedside alarm allows two alarms to be set to Weekend, Weekly or Daily modes with crescendo sound for 2 minutes. It allows you to snooze the alarms for an extra 10 minutes of rest. Choose from Seven different color settings or cycle all of them together, or pick from five different lighting effects such as, Forest, Ocean, Dawn, Sunshine, or Midnight. Adjustable backlight intensity settings. Electric digital clock operates with included USB-C adapter and powers mobile devices with 1A USB charging port. Optional battery backup requires 2-AAA alkaline batteries to save current time and alarms in case of a power outage.