Having trouble waking up. Our super loud alarm has volume up to 90 decibels to wake the soundest sleepers. The green LED display is soothing at night and the clock has a 9 minute snooze for a few extra winks. Electric powered with battery back up. The back up insures you will never miss a wake up even if there is a power outage. Back up uses 1AA volt battery. Simple setting controls and metallic speaker grill.