CRESCENDO ALARM — Builds gradually in volume and frequency to set the tone for your morning without the jolt with Repeatable function of 10 minutes DESKTOP CLOCK – Place onto counter or desk and power by included USB cord with wall adapter LARGE COLORED DISPLAY — 2-inch digits are easy to read day or night. Five brightness levels plus OFF, and viewable in 12-hr or 24-hr time mode CUSTOM VIEW: Current Time or Ambient Temperature (°F/°C) within 14°F to 122°F range A BRAND YOU CAN TRUST — Family-owned since 1983, a world leader in atomic time, weather instruments, and alert & monitoring systems. Designed in Wisconsin, we offer lifetime access to manuals, video tutorials, and unmatched USA-based support.