Top of the bezel has a lighted battery indicator, which starts green and fades to red as the battery depletes. At 9% is will begin to blink until charged back up over 10%. Battery percent and current temp at bottom. Tap the Light button and the display will light up in blue. Start/Stop and Reset buttons take care of the stopwatch. Dim mode included. 12h Time, 24h Time, Battery Level, Date, Stopwatch, Weather