Features: 1.A multifunctional digital alarm clock, which displays the time, date, and temperature through bright and clear LED lights. It displays the time in 12h/24h format, and displays the indoor temperature in Celsius and Fahrenheit. 2.Enter sound control mode (power saving mode), the screen will turn off after 10 seconds, you can clap your hands (any sound higher than 60 decibels) or click the clock to light up the screen. 3.Mainly used for USB cables connected or supported by 4 x AAA batteries (not included). Compatible with all USB chargers. Battery power is only used for backup. 4.Very suitable for any modern design decoration, office, bedside table, living room, bedroom, kitchen, etc. 5.Portable and compact design, can be used as fashion decorations, reminders, and also a gift to move neighbors, friends, etc. specification:Item Type: Digital Alarm Clock Uses: Fashion decorations, gifts, reminders, etc. Size: Approx. 15.1 x 6.9 x 4cm / 5.9 x 2.7 x 1.6in(manual measurement, for reference only) Material: ABS+plastic Function: Can be plugged in to display, can also use 4 x AAA battery display(not included) Equipped With: USB cable + user manual PackageList: 1 x Digital Alarm Clock 1 x USB Cable 1 x User Manual