Description: This desk alarm clock uses 4mm size high-brightnesss Dot-Matrix, which makes it is still clearly visible even in the bright light situation. It's also have five level of brightness adjustable. It can show temperature, day, date and so on. When you select the date of birth, it can show Happy Birthday when that day is coming. Features: 1. Available in four colors: red, blue, green and white light colors to suit your preferences or with different room styles. 2. With high precision clock chip (with temperature compensation), time can still be accurately transmitted when the standby battery is powered. 3. Two touch key input replace the physical keys, to prevent the long-term press damage. 4. Can connect with USB cable 5V for power supply, convenient to use. 5. Long press the menu button to enter the menu function to prevent interference. 6. With easy installation, it is ideal digital clock DIY kit for electronics enthusiasts. Specifications: Material: Plastic Light Color: Red, Green, Blue, White (Optional) Size: 115 * 40 * 5 mm / 4.5 * 1.6 * 0.2in Weight: Approx. 109g Package List: 1 * DIY Clock Kit 1、Available in four colors: red, blue, green and white light colors to suit your preferences or with different room styles 2、With high precision clock chip (with temperature compensation), time can still be accurately transmitted when the standby battery is powered 3、Two touch key input replace the physical keys, to prevent the long-term press damage 4、Can connect with USB cable 5V for power supply, convenient to use 5、Long press the menu button to enter the menu function to prevent interference