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The practical soldering kit is used to install a 4-digit digital light controlled temperature LED electronic clock. Displays the current date, time, temperature in real time, alarm music. The DIY electronic clock can display time, date (year, month, day, week) and temperature. The brightness can be adjusted to adjust automatically, or you can adjust the brightness manually. With power-off memory and alarm function, the alarm clock can be turned on or off by itself and contains 4 adjustable music. The 4-digit digital electronic clock can also accurately measure the temperature. Please note that the temperature must be calibrated when using for the first time. In addition to teaching basic mechanical and electronic principles, the LED watch set is easy to build and the principle is simple. The connection that has been clearly pictured and labeled on the board. This DIY electric kit is widely used in schools to help students learn basic mechanical and electronic skills. But please note that this DIY soldering kit requires a certain foundation for basic electronic theoretical knowledge and welding and practical skills. The finished project can also be used as a desktop art accessory.; Product description This DIY electric kit is widely used in schools to help students learn basic mechanical and electronic skills. But please note that this DIY soldering kit requires a certain foundation for basic electronic theoretical knowledge and welding and practical skills. The finished project can also be used as a desktop art accessory.; Product description This DIY electric kit is widely used in schools to help students learn basic mechanical and electronic skills. But please note that this DIY soldering kit requires a certain foundation for basic electronic theoretical knowledge and welding and practical skills. The finished project can also be used as a desktop art accessory.; This DIY electric kit is widely used in schools to help students learn basic mechanical and electronic skills. But please note that this DIY soldering kit requires a certain foundation for basic electronic theoretical knowledge and welding and practical skills. The finished project can also be used as a desktop art accessory.