Neecooler Digital Alarm Clock Snooze/Sensor Back-light LED Smart Slim Large Display Wake Up Bedroom Clock With USB Charger and 3 Sets Alarm White Special designed snooze function, When the bell rings, press the top button will stop ringing, it will ring again 5 minutes later. Large LCD screen, brightness and clear, quiet, no radiation. Material:high quality ABS.High Speed Usb charger batteries, super long standby time,12 Hours Full Charging - Lasting for 5-6 Months Display Time (12/24), Date , Temperature (C/F), Alarm time. 5 day and 7 day Alarm Settings; alarm sounding on time, Alarm optional ring on 3 modes( Monday to Friday , Monday to Saturday , Monday to Sunday ) Smart Light,Built in Light Sensor,LCD back light turns on automaticaly when the room or circumstance becomes dark, making sure that you can see exactly the time without troubling sleep. Multifunctional: clock,3 alarms clock, thermometer, calendar.Built-in 600mAh Rechargeable Lithium battery by DC 5V USB charging. Large LCD screen (4.3 x 2 inch).Energy-saving and user-friendly,Ensure a good sleep and best working environment.