KeeYees 4-Digit Digital Clock Kits for DIY Electronics Assemble Soldering Practice Learning Project Beginner

Easy Assembly: The circuit board is clearly marked and the solder mask is of high quality. Very easy to assemble. The chip is programmed no further programming is required. It's a great first kit for any STEM student. 2 Wiring Methods: This kit comes 2 wiring methods: DC power interface with USB power cable and battery circuitry. Battery circuitry allow you to get rid of fixed power and have a more independent alarm clock. In order to protect the environment we chose to provide 18650 size rechargeable battery holder (need to buy batteries separately) instead of regular AA size holder. Manufactured by KeeYees. Clock Functions: This is a 24-hour system clock. It has the comprehensive function of most electronic clocks. Two alarm clock channels. Hourly chime from 8:00 to 20:00 (Can be turned on or off.). Seconds Correction Function. Accurate travel time the error range is 1 sec per 24 hours. Perfect After-Sale Service: We provide a manual for this welding kit. You can also contact us for a PDF version of the manual. Please read the manual before soldering. Any issues please feel free to contact us for further assistance. (Please note: This Soldering Project requires basic electronic knowledge and hands-on ability. ) Interesting Soldering Practice Project: This is an interesting clock kit that can be used to demonstrate soldering techniques to beginners that are interested in electronics. If you are a beginner at assembling and soldering this kit would be a very good practice kit to hone your soldering skills.