Features: This digital clock combines educational STEM learning with practical functionality, featuring a 99.9% success rate assembly design and pre programmed chip for seamless installation. The 4 digit LED display alternates between time/temperature readings with 5+ dynamic animations, equipped with power off memory, programmable alarm, and auto brightness adjustment through light sensors. Ideal for STEM students, electronics enthusiasts, and educators seeking hands on soldering practice while creating functional home/office decor. Perfect for science classrooms, maker workshops, or home projects where practical electronics assembly meets decorative timekeeping solution. Packaged with complete components including plastic housing and battery case, this clock delivers professional results as both functional electronics equipment and interactive STEM educational tools. Specifications: Component : plastic Length: about 81mm/3.2inch Width: about 81mm/3.2inch Display type: Digital tube display Number of digits: 4 digits Power supply type: (battery powered) Function: Time display Temperature display Accurate time measurement Accurate temperature measurement Photo control Alarm clock setting (can be turned off) Light control function (can be turned off) Package Includes: 1 set Electronic Clock Components note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.