The Casio Alarm Clock with Light and Snooze comes with a built-in microlight that lluminates the watch face from the side.  A luminous coating provides long-term illumination in the dark after only a short exposure to light. The daily alarm reminds you of events that recur every day, by emitting an audible signal at the set time. The snooze feature works each time you stop the alarm, it sounds again after a few minutes. Specifications Microlight  Neo-display Daily alarm  Snooze feature Resin case Battery. The AA battery supplied the watch with sufficient energy for approx. one year. Dimensions: (H x W x D) 7.8cm x 7.4cm x 4.5cm Weight: Approx 100g