Usage Tips:1. Small size -3.25 "x 3.25" x 1.6 ", lightweight (3.5 ounces), 1 AA battery power supply, perfect for use as a desk/bedside/bedside table wake-up clock, but also perfect for use as a travel alarm clock. 2. Fully Silent - A simple design alarm clock with ultra quiet sound, without annoying ticks, making it perfect for people who need to be completely silent to fall asleep. 3. Snooze and Light functions - The Snooze and Light buttons are located at the top position and are easy to find. Press and hold the button for 5 minutes, take a nap or light up the clock face as needed, so you can see the dial in the dark. 4. Gently wake up to increase volume - The volume of the four beep alarm increases in four stages until the alarm is turned off or the top sleep bar is pressed. An alarm clock suitable for the elderly, teenagers, girls, and children. 5. Use 1 "AA" battery (not included), it is recommended to use carbon based batteries. Shell material: plastic Mirror material: plastic mirror surface Dial material: PVC Main function: Mute movement. With greedy sleep and night light Color: White