suitable for Soldering Practice Kit, 4-Digit Digital Alarm Clock Kit with RGB Colorful Modes, Diplay DIY Clock S-FO SHAN RAN WANG [DIY Clock Soldering Kit]: This diy clock soldering kit can display the time, date, week and temperature. The alarm can remind you not to miss important moments. There are 4 beautiful alarm sounds to choose, which allow you to start a day with relaxing musics. Light-controlled automatic brightness and 3-speed manual brightness you can identify the number clearly in any environment. After completing, you can develop soldering ability and get a practical clock decoration. [Functions and Features]: This soldering kit has a blue shell, which will be a highlight to your home style; RGB color digital tube has 4 display modes and 27 colors to choose. Its unique visual experience can bring vitality life. Additionally, the large screen allows you to identify the time easily at a certain distance. More important, this clock kit can set three alarms to meet the needs of everyone in your family, and you can choose 24H/12H display. [Teaching practical Training]: This diy electronic kit is suitablel for widespread use in schools to improve students' soldering skills and train basic mechanical abilities. It can not only exercise the soldering ability, but also strengthen the consolidation of electronic knowledge and the understand of soldering concept. [User-friendly to Install]: The SMD LED had soldered so that soldering process become easier. With a straightforward installation process taking approximately forty minutes and the circuit board is marked accurately and clearly, the through-hole installation is convenient, I believe that it will be a very good choice for beginners. note: With battery Slight color difference or difference in kind, please do not mind, does not affect the use, thank you! Material: plastic colour: blue Package Contents: 1 x DIY Clock Soldering Project Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Please pay attention to the title and description when buying, and pay attention to the title and description when buying.