RadioShack Extra-Loud LED Alarm Clock w/ Night-Light Large, red LED display is easy to read 9-minute snooze function so you can grab a precious few more minutes of sleep Hi/Lo alarm switch (Hi-Lo buzzer) (SPL at high position is &gt;89dB, low position is &lt;75dB) Hi/Lo dimmer switch for LED brightness adjustment Alarm On (ALL, A1, A2, OFF) slide switch