Square Small Alarm Clock Luminous Mute LED Multifunctional Digital Clock Light Fashion design Digital clock is a stylish office desk decoration suitable for home, kitchen, bedroom, study, and other indoor places. Features: 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. Time and temperature display format: 12-hour/24-hour; Celsius/Fahrenheit 2 optional display modes: DP-1 / DP-2 2 power supply options: battery or USB cable Technical specifications: Power supply: 4 AAA batteries or USB cable LED display color: white Working voltage: 3.0V4.5V Input voltage: DC 5V Size: 80 x 80 x 27 mm Package includes: 1 x digital clock 1 x USB cable