Odc-190 instruction manual:- function introduction: 1. Backlight function, convenient to use in night-time 2. 100 years calendar from 2000-1-1 to 2099-12-31, in normal display as: hour, second, month, day, date and temperature. 3. 12/24 hour formats transferable. 4. alarm music can be selected. Daily alarm and snooze functions are available. 5. Birthday reminding: time and date of birth can be set. Your clock will play birthday song when the time reaches. 6. Count-down function: range from 23 hours 59 minutes and 59 seconds to I minute. 7. Thermometer: tested automatically, range from 0 to 50 c. Ociof formats transferable. 8. Music enjoyment: in normal display, press 'down' key to turn on/off music play function. Keys instruction: 1. Press mode key to enter into below respective functions: normal time 12/24hrs select alarm birthday remind count-down timer 2. In normal mode, press 'set' key to select c or f (degree's) 3. In normal mode, when "Alarm" is on, press up key to turn on or off snooze function. When it's activated, screen will display a symbol of "Snooze" 4. In normal mode, press down key to turn on or off music. When it's activated, screen will display a symbol of " (((o))) " and it will cycle-play music. 5. Press alarm " to alarm function 6. Press "Light" 'key to turn on the back light, and it will lasting for 5 seconds then turns off automatically. Setting: 1. Time setting: in normal mode, press mode' key once to enter 12/24 hrs time formats selecting by pressing 'up' key or 'down' key. Press set key to enter into normal time setting. Press "Up" or "Down" key to complete the following settings respectively: 12/24hr hour minute second month date 2. Alarm setting: in normal mode, press 'mode' key twice to enter alarm mode, or press 'alarm' to enter alarm mode directly. When "Alarm" displays, press 'set' key to set alarm time and music in the place of hour, minute and music, press up or down key to complete the following alarm setting. See more

Country of Origin: India. Thermometer: Tested Automatically, Range From 0 to 50 Degree C/f Formats Transferable. Countdown Function: Range From 23 Hours 59 Minutes and 59 Second to 1 Minute. Birthday Reminding: Time and Date of Birth Can Be Set Clock Will Play Birthday Song When the Time Reaches. 12/24 Hour Formats, Alarm: Alarm Music Can Be Selected, Daily Alarm and Snooze Function Available. Backlight Function, Convenient to Use in Night Time, 100 Years Calendar From 2000 to 2099,. Item Size: 8 cm x 7 cm x 3. 5 cm. Package Contents: 1 Clock, Battery and Warranty Card. Material: Plastic, Color: Black.