Features: 1. Metal shell alarm clock 4 inch small alarm clock children's student bedside clock loud alarm2. and 3. Night light function, you could see the clock at night clearly 4. Metal bell alarm clock, super loud, very suitable for people who snooze 5. Almost mute scanning movement, just a little sound in the night ,but will not disturb your rest. 6. Powered by: 1 x AA batteries (not included) 7. Size: 12.2x6.4x17.3CM 8. Alarm Clock size: 3 inchs 9. Color: Black,White Mechanical Alarm Instructions 1. Every 24 hours on a full winding. 2. If you have time to go if you can dial the speed of the back end of the needle, go too fast, to the (- -) direction of the dial, go too slowly to the (and) direction dial, each dial a grid, adjustable 6 minutes about. 3. When dialing, you should dial the spoon in the direction of arrow so that the pointer runs in clockwise direction. If you need to dial backwards, you have to dial the proofreading time for about 20 minutes, and then dial clockwise to proofreading time to eliminate the flank gap. 1. With an alarm, you must rotate the alarm in the direction of the back arrow to the desired time, align with the mark on the clock face, and then wind up. 2. On the foot of the clockwork, can only ring once the second time, must be reopened after an hour and a half after Quality Standard: 1. Each time a winding, can be shipped continuously for more than 36 hours within 24 hours, travel time error of not more than 3 minutes 2. When the alarm rings within 5 minutes, every time the clock starts ringing for more than 10 seconds. Package Included: 1 x Alarm Clock Due to the influence of the display and the light of the photo, there may be a gap between the color of the goods and the picture you received.Don't place an order if you mind. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.