Square Small Alarm Clock Luminous Mute LED Multifunctional Digital Clock Lightfashion designDigital clock is a stylish office desk decoration suitable for home, kitchen, bedroom, study and other indoor places.feature:Multifunction: time, date, room temperature and alarm clock function.Humanized design: easy to use, can be awakened by sound or touch.Natural decoration: special shape and texture, very suitable for home, bedroom, reading and bedside table.Format for displaying time and temperature: 12 hours/24 hours; Celsius/Fahrenheit2 optional display modes: DP-1 / DP-22 Power supply: battery / USB cableTechnical indexPower supply: 4 AAA batteries or USB cableLED display color: whiteWorking voltage: 3.0V-4.5VInput voltage: DC 5VSize: 80x80x27mmPackage includes1 x digital clock1 x USB cable