HURRAH 5.3" Digital Alarm Clock (Black) Environmentally friendly materials: After hundreds of tests and selections, the designer puts the high-quality ABS and premium-grade PVC materials into the design, making the clock environmentally friendly, non-toxic and radiation-free. It is not only solid and delicate in touch fee, exquisite in appearance, but also durable in use. User-friendly design: Ultra-large display screen. It can be seen clearly even if you stand in the distance of more than ten meters from it. In addition, it enables you to check the time at night. Putting the alarm clock in the bedroom or at the bedside, you will clearly see the time when getting up at night. Due to the ultra-large digital display, the clock is suitable for the people of all ages. New energy-saving technology: With the light-sensitive transmission technology, the button on top of the alarm clock can automatically sense the light around so that the screen shimmers to enable you to see the time when the clock is not used at night. Its Soft light will protect your eyesight without any dazzling sense to your eyes, making the clock more suitable for school-aged children, the elderly and office workers. Thoughtful sleeping setting: The first ringing consists of three progressive bells which sound from weak to strong. When you press the button on top of the alarm clock, the bell will be suspended and the clock will automatically go into the smart sleeping mode. After five minutes, it will continue to ring with the screen light shining. Diversified features: The alarm clock supports to display temperature (Fahrenheit or Celsius) to provide real-time monitoring for the ambient temperature; supports to display date to facilitate your time schedule.