Elegant triangular wooden alarm clock, with clear LED display, is perfect for home and office use. It has 2 display modes and 3 alarms setting. USB or battery operated, convenient to use. It has sound control function, which is power-saving and won't disturb you when sleeping. Besides, it has indoor hygrometer & thermometer function! Features: Wooden Triangular Alarm Clock: triangular MDF wood shell, which looks senior and elegant, has great decorative effect as well. LED Display: it displays temperature(°C/°F), time(12H/24H), date and week in white light. Big font is clear to view. 3 Levels of Luminance: it has 3 levels of brightness adjustable to fit different environments. Two Display Modes: Fixed Mode(time display won't change) / Carousel Mode(time and temperature display will take turns to show). Sound Control: when the mode is on, it will automatically turn off the display after about 15 seconds, easy to awake it by making some noise like knock desk, clap hands, etc. Three Alarms: built-in 3 alarms, when the time's up, it will alarm for 1 minute and you can press any buttons to stop it. Weekday Alarm Setting: can be turn off / on as you need. Dual Power Supply: powered by USB cable(included) or 4 * AAA batteries(not included). Specifications: Material: MDF + PVC Shell Color: Black / Natural Wood (Optional) Display Color: white Calendar: 2000~2099 Power Mode: 4 * 1.5V AAA battery(NOT included) / USB powered(included) Item Size: 15 * 8 * 7.5cm / 5.9 * 3.1 * 3in Item Weight: 217g / 7.9oz Package Size: 16.5 * 9 * 9cm / 6.5 * 3.5 * 3.5in Package Weight: 294g / 10.4oz Package List: 1 * Alarm Clock 1 * USB Cable