The alarm clock's casing is made of high-quality ABS material, 3.5-inch eye-friendly LCD screen, high light transmittance protection, clear, non-glare digits (with USB charging cable) Our alarm clock has a snooze function. When the snooze function is activated, it will sound once every four minutes for a total of four times. You can press the snooze button to pause the ringtone. With this function, you will not miss your wake-up time. You can also put this alarm clock in your backpack when traveling and on business trips. This bedside alarm clock can automatically monitor temperature and humidity approximately every 20 seconds. The temperature monitoring range is -50 to 70 degrees Celsius (-58 to 158 degrees Fahrenheit), and Celsius/Fahrenheit mode can be selected. The humidity monitoring range is 20-90%. Let you know the indoor conditions in real time. Our alarm clock has an LCD screen that can display time, date, humidity, and temperature. There are not only two time formats of 12 hours and 24 hours, but also two temperature modes Fahrenheit and Celsius, which can be switched. Note: (without battery) Our alarm clock's display is transparent, and the unique design makes the alarm clock more modern, making your bedroom, office, etc. more modern. Super simple alarm clock, 5 simple buttons, almost no need to enter a time or an alarm clock when setting. Very suitable for children and the elderly.