Gurgle Digital Alarm Clear Display Clock Featuring Date, Temperature Display, Snooze Button, Sensor Light and Night Light (Green) Large 4.2"x2" display with big, bright, bold numbers clearly visible from a distance, you can see this alarm clock from a long distance. Sensor light that does not light up in bright light or in daytime. The sensor emits soft light in darkness and can be adjusted using the SNOOZE/LIGHT button MM/DD calendar as well as Centigrade or Fahrenheit temperature display, Both 12 or 24 hour time display options ,Repeating snooze and ascending alarm. Energy-saving and user-friendly; Sensor automatically comes on when it's dark around, because it's light-activated. It's soft, making you sleep easily or see time from a distance hands free. It can also be closed. If bright light needed, please touch the top to use nightlight, which lasts 5 seconds.