Non-Ticking and Silent: The high quality quartz movement ensures no tick-tick noise as as clock time accuracy. Create a peaceful environment for sleep.Luminous Light Function: Clock 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 Ringing: High Quality sweeping quartz movement. alarm sound. Super loud alarm sound for heavy sleepers and individuals who have 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, , children and seniors.Specifications: Type: Retro Desk Clock Function: Alarm Movement: Sweeping Quartz Powered by: 1x AA battery (Not included) ClockInstructions: 1. Install the battery: when the alarm switch is placed in the "OFF" position, open the battery cover, press the +-polarity direction to install one "AAA" battery, and the battery cover. 2. Adjust the time: turn the clockwise knob in the direction of the to the required time. 3. Adjust the alarm: set the alarm knob to rotate in the direction of the , set the alarm pointer to the required time, and turn on the alarm switch. Precautions: 1. Adjust the time and the alarm must not rotate in the opposite direction. 2. When the travel time becomes slower or the ringtone becomes smaller, replace the battery immediately to avoid battery leakage and damage the alarm clock. 3. The parts of this alarm clock have a precise structure, do not violently impact or vibrate, and do not place in humid, high temperature, dusty and locations. 4. The quartz clock uses a 1.5V AA battery, and insert the battery according to the "+" and "-" poles marked on the battery box of the movement. 5. Time proofreading: Turn the hand wheel on the movement cover on the back of the clock to move the hour and hands to indicate the hour, and .Material:Metal+ABScolour:BlackPackage Contents:1 x Alarm clockOnly the above package content, other are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed is +/- 1-3cm.