Features: *Brand new and high quality *Made of high quality material, strong and durable *It is a 4Bit digital electronic clock DIY kit. It will display the current date, time, temperature, and alarm music in real time. Users can set alerts according to their needs. *Easy to use and beautiful in design, perfect for home or office environments. *Features: yellow and blue LED display, automatic brightness adjustment, time/date/alarm clock/temperature, adjustable alarm music, time memory function, calibrated temperature value, voice time reporting, DIY manual welding, simple and easy to use. Specification: *Substrate: Copper *Operating voltage: DC 5V *LED color: yellow blue red *Operating temperature: -20℃~85℃ *Operating humidity: 0%～95%RH *Dimensions (after installation): 95*85*22mm *Model: red, blue, green, red + shell, blue + shell, green + shell, (optional) Package Included: 1X set of electronic clock DIY kit Notes: 1. Due to various factors such as display brightness and light brightness, the actual color of the product may be slightly different from the website picture. 2. Please allow a slight deviation between the data and the manual measurement. Made of high quality material, durable and practical to use. Perfect functions,give you a wonderful experience. Every customer can enjoy 30 days refund or replacement for Damaged/Quality Issues. If you have any questions, please feel free to contact us, we will solve it for you. Diy Digital Led Alarm Clock Electronic Date Time Sound&Light Control Welding Kit