• Support calendar, clock, hour, minute, second, week, month, day, selectable 12/24 hour
• You can count up or count down as needed, up to 23 hours 59 minutes 59 seconds
• A large LCD screen allows you to read the data clearly
• Shockproof ABS shell, comfortable to grip
• Apply to many sports, such as football, basketball, running, cycling, swimming, baseball, wrestling, taekwondo, etc.

Specification: 

• Material: ABS
• Battery: 1 x LR44 button cell (included)