Fangrui Product Details 1. 2 Pcs Portable Car Electronic Clock Test Sports Clock Small Alarm Clock Stopwatch 2. Type:alarm Clocks 3. Style:modern 4. Description: 5. Applicable Places: Study, Office, Living Room 6. Movement Type: Electronic 7. Shell Material: Plastic, Mirror Material: Plastic Mirror, Dial Material: Plastic 8. Size: Oval: 7.5 × 5 × 1.5 Cm Rectangular: 7 × 4.5 × 1.3 Cm 9. Energy Supply Mode: Button Battery Ag10 10. Function: In Normal Mode, The Clock Displays Hours, Minutes, Seconds And Weeks, Press "d" To Display The Date, Press "s" To Display The Alarm Time, And The Alarm Time Setting: Press "m" 2 Times To Enter The Alarm Adjustment. Mode, Press "s" To Select Hour And Minute, Press "d" To Adjust, Press "m" To Enter Normal Display, Time Adjustment: Press "m" Three Times To Enter Time Adjustment Mode, Press "s" To Enter Second, Minute, Hours, Date, Month, Week, Press "d" To Enter The Adjustment Mode, Press "m" To Return To The Normal Mode, Exercise Time Function: Press "m" To Enter The Motion Table Function, Start To Display "0:00:00", Press " D" To Start The Pause Operation, Press "s" To Enter The Start Display "0:00:00"