Instructions: 1) Functional characteristics: _Working Voltage: DC5V/500MA or 3 Sections 7 Dry Batteries (AAA).  _Millennium calendar from 2099 to 1999, a total of 100 years.  _Time, date, temperature, can be automatically switched display, can also be manually locked display time, switch by pressing SET key alone.  _12/24 hours: 12/24 elective transfer can be carried out, default 24 hours system, January 1, 2016, 12:00.  Three sets of alarms, each lasting one minute.  _Voice control switch free adjustment (DOWN key).  Workday alarm settings (long press SET to enter settings, ON E is open, that is, no alarm rings on Saturdays and Sundays: - E is closed, that is, every day from Monday to Sunday alarm rings).  2) Key Function Description: Up adjustment key UP down adjustment key DOWN 3*AAA battery temperature C and F conversion (UP) voice control switch (DOWN) setting key (SET) DC Jack (DC) reset key RESET.  Functional settings.  In the normal display state, press SET for 3 seconds, display flicker, set in the order of year - month - day - hour - minute. Working day Alarm switch.  _Year Settings: Hold down the Settings Key (SET) for three seconds, year position flickers, UP/DOWN can be adjusted up or down, long press can be fast forward/fast backward.     Specification: Material: Plywood + Plastic.  Movement type: Digital.  Color: Black/White/Wood Color/Brown.  Size: 150mm x 70mm x 42.5mm.  Power Supply: USB Power or 4 x AAA Battery (Battery not included).  Display Mode: Time / Temperature display at the same time (Temperature for reference ONLY, This Temp will vary a little from the Actual Temp).  Hour format display: 12/24.  Temperature Display: C/F.     Package Includes: 1 x Wooden Clock.  1 x USB Cable.  1 x User Manual