Wonderful wooden alarm clock, with LED display, is perfect for home and office use. It has 3 display modes and 3 groups of alarm clock. USB or battery supply, meet differentneeds. Also, it has voice control function, which is power-saving and won't disturb you when sleeping. Features: Wooden Alarm Clock: wood shell, which looks comfortable and beautiful, has great decorative effect as well. 3 Display Modes: display time(h/ min/ s) only, display time(h/ min) and temperature, display time(h/ min) and temperature or date(month/ day) in cycle. 3 Levels of Brightness: brightness can be automatically adjusted according to the time period. Brightest(6:00-18:00)/ Medium(18:00-23:00)/ Sleeping Brightness(23:00-6:00) Daily Alarm Clock: you can set 3 groups of alarms everyday, the alarming sound lasts for one minute. Weekend Alarm Clock Function: the alarm clock can be turned on/ off on Saturday and Sunday. Voice Control: under this mode, the ambient sound will activate the LED display when sound exceeds 60 decibels. Dual Power Supply: powered by DC 5V(USB cable is included) or 4 * AAA battery(not included). Specifications: Material: Wood Shell + ABS Shell Color: Black / Natural Wood(Optional) Display Color: Blue / Green(Optional) Calendar: 2000~2049 Temperature Unit: C / F Temperature : -20C~50C / -4F~122F Built-in Button Battery:CR2032 3.0V 240mAh Power Supply: DC 5V 1A or 4 * 1.5V AAA battery(Not Included) Item Size: 15 * 7 * 4cm / 5.9 * 2.6 * 1.6in (L * W * H) Item Weight: 193g / 6.8oz Package Size: 17 * 9.2 * 5.5cm / 6.7 * 3.6 * 2.2in Package Weight: 250g / 8.8oz Package List: 1 * Alarm Clock 1 * USB Cable(Without Plug) 1 * User Manual(English) Wooden Alarm Clock: wood shell, which looks comfortable and beautiful, has great decorative effect as well. 3 Display Modes: display time(h/ min/ s) only, display time(h/ min) and temperature, display time(h/ min) and temperature or date(month/ day) in cycle. 3 Levels of Brightness: brightness can be automatically adjusted according to the time period. Brightest(6:00-18:00)/ Medium(18:00-23:00)/ Sleeping Brightness(23:00-6:00) Daily Alarm Clock: you can set 3 groups of a