Description This is a multi functional DIY clock kit built in 15 menu settings you can set a variety of different functions through touch buttons For example the brightness can be automatically adjusted according to the environment you can wake up the clock by voice but also can be set according to different preferences Show time division Hour Minute Second mode or hour by minute Hour Minute mode each also added a variety of animation effects as well as countdown backlight effects birthday reminders also added 16 common holiday reminder Increased practicality better functionality and black translucent acrylic make the clock look more concise Manual is here Features Square LED dot matrix module display time temperature date week and other information 5 different font styles to choose from 5 kinds of colons show special effects 10 different animation switching effects to choose from 6 kinds of time digital change effects can be selected Touch key operation menu RTC with DS3231 built in warm up crystal oscillator ultra high precision can be put into CR1220 backup battery to prevent power down time data loss CR1220 backup battery not include in the kit Birthday reminders can be set and the date will display Happy birthday 5 levels of brightness adjustment function built in photoresistor can automatically adjust the brightness according to ambient light can also specify the brightness 4 kinds of time display modes two hour minute and second display mo