⏰【Great School Science Project】: The DIY Clock Kits are used to installed to a 4-Digit Digital Electronic Clock. It is widely used in schools to help students learn basic mechanical and electronic skills. It's a great Science Fair project. Highly recommended to practice soldering skills enjoyably for you.

⏰【Easy Assembly】: In addition to teaching basic mechanical and electronic principles, the clock kit is easy to build and is so simple. The connection that was clearly mapped and labeled on the board makes it easy to assemble. It's often used to teach basic soldering skills. It's a great first kit for any STEM student. No programming is required.

⏰【Comprehensive Time Functions in Most Electronic Clocks】: Seconds Correction Function. Could switch to display the seconds or minutes interface independently. Accurate Travel Time--the error range ±1 sec every 24 hours. Hourly Chime Function--it supports hourly chime from 8:00 to 20:00 (The function can be turned on or off.). Two-way Alarm Clock--supports twice alarm clock setting. Power Cut Memory Function--the time is still accurate once power-on from power-off.

⏰【Parameters】: This Electronic Clock Kit is equipped with STC11F02E master chip. DC5.5*2.1 power port with 5V power supply, come along with a 3.5mm USB power cable, plug in the USB charger to use it. 4 digit 0.56" red LED module which is specially for the led clock kit. 24 hour display format.

⏰【How to Get Manual】: This product is DIY kits, not the end product! This Soldering Project requires basic electronic knowledge and hands-on ability. Please download the User Manual on the Amazon page at Product Guides and Documents before soldering.