Plumeet [Upgrade Version Digital Alarm Clock, Large LCD Clock with Low High Dimmer Nightlight, Temperature, Calendar, Ascending Sound & Snooze Function, Battery Operated Only (Black) Smart Night Light: [Brighter than the old version] Turn on the sensor, sensor light enables clock to automatically give off soft orange light(25% brighter) in dark to lift a comfortable night view. the soft nightlight is bright enough to see but not light up the room to disturb your partner. Large Display: 5.2 inches large vivid LCD display with bold easily visible typeface lets you check time at a glance. nice large digital numbers display time, indoor temperature(C/F), month, date and alarm time with clear and comfortable visual sense. great for the senior people or the sight-restricted people. Extremely Easy Setting: Intuitive control indicate a very simple to set even without instructions. snooze button is large enough for easy hitting while in half sleeping. great for kid, teenage wake up alarm clock as well as a desk clock. Ascending Alarm and Repeat Snooze Function: Alarm goes off with a gradual crescendo beep for 60 seconds. press "SNOOZE" button, alarm temporarily suspends and will sound again 8 minutes later. Portable Battery Operated : Require 3 AA battery operated (not included) long last its life. No USB cord, If you have any dissatisfaction with the clock, contact us within 90 days money back guarantee, 365 days free replacement.