About this item Non-Ticking and SilentThe high quality quartz movement ensures no tick-tick noise as well as clock time accuracy. Create a peaceful environment for sleep. Luminous & Light FunctionClock dial and hands will glow a whole night after exposure to normal indoor light for a whole day or sunlight night light (built-in lamp) is perfect at night. Extra Loud RingingHigh Quality smooth sweeping quartz movement. Bell alarm sound. Super loud alarm sound for heavy sleepers and individuals who have trouble waking up. Easy To Set Simple On/Off switch turns on the alarm setting. Turn knobs to set the clock time and alarm time. Press button to activate the backlight in the dark. No Snooze button. Great for adults, teens, children and seniors. Application & Warranty Quiet Sweep movement is run by 2* AA battery that is NOT INCLUDED. Please feel free to e-mail us If there is any quality problems, we will provide high-quality after-sales service and 12-month warranty.