Metal Vintage Alarm Clock Extra Loud Manual Wind Up Analog Retro Backlight Features: The mechanical alarm clock needs to be up once every 24 hours, and the clockwork needs to be up once every time the alarm clock is alarmed. All mechanical are non-silent, with a nostalgic ticking as the alarm goes . There will be a small error in the mechanical alarm clock, which is a normal phenomenon. If the error is greater than 5 minutes, it can be adjusted. The mechanical alarm clock has a crisp sound and a loud ringtone. Lasts about 10-15 seconds. The on the back of the mechanical alarm clock has the functions of time adjustment and alarm clock adjustment, and the operation is simple. If you have any questions, you can consult the seller at any time. Product Description: 1*Alarm clock Product Brand:WPXYYDSA Product Materials:metal Product Color:Gold We focus on user experience, product design is intuitive and easy to understand, even for the first time you can quickly get started, to bring you a better experience. We provide a full range of customer service, you encounter any problems in the process of use, we will be the first time for you to solve, to ensure that your shopping experience is pleasant and worry-free.