Description This DS3231 clock is designed to be completely sealed with an acrylic oval shape very suitable for display on the desk Using 4mm size high brightnesss Dot Matrix even in the bright light situation is still clearly visible It also has five level of brightness adjustable Both sides of the back have a Touch Key control and with sound feedback to recognize whether the key is touch Of course it also can shows temperature day date and important festival Like New Years Day Christmas Day Valentines Day and so on Besides it has five kinds of switched mode and you can also select the date of birth It can show Happy Birthday when the date is coming That makes the clock no longer looks simple 1 Using DS3231 high precision clock chip with temperature compensation it can still accurately travel time after powered by a backup battery more accurate than the DS1302 clock chip 2 Two Touch Key input replace the physical keys to prevent the long term press damage Long Touch the Menu key you can enter the Menu functions to prevent interference 3 Four color optional you can choose Red Blue Green and White color 4 Whole Size 11 7cm 4 2cm 1 6cm 5 Ideal digital clock DIY kit for electronics enthusiasts easy to install 6 Can connect with USB cable 5V for power supply convenient for use 7 With the white circuit board it looks more clearly and designed by crystal acrylic shell 8 Manual Click here Function 1 Long Touch the Menu key enter the Menu functio