Dimmable Display - The 3.4-inch compact LCD display has dial-controlled brightness adjustable from 0 to 100%, 12- or 24-hour mode, temperature (°F or °C), status, and ringing for Alarm 1 and Alarm 2. Customisable Alarms - Dual alarms with separate Weekend/Weekday/All Day modes, a choice of 5 built-in tones (beep/piano/beep/birdsong/light music) or radio as a wake-up tone, and a volume that gradually increases from soft to a set level (selectable from 1 to 15 levels). More than just an alarm clock - FM radio saves up to 40 stations, sleep timer function (10-150 minutes). 3.5mm headphone jack for easy access, 2 USB ports for charging your phone or other mobile devices while you sleep. (Headphones and charging cable not included).