SPLIT RECALLABLE MEMORY: 100 lap memory with 1/100th second precision. BACKLIGHT: Backlight design support the stopwatch to work in weak light or night. MULTI-FUNCTION: Stopwatch mode and soccer stopwatch modes;Displays hour, minute, second, month, day and date with alarm feature. ALARM CLOCK & KEEP SILENT: it's to turn off the BEEP and alarm clock. POWER OFF: Turning off the stopwatch to extend battery life is available. 1. Professional stopwatch with backlight. 2. Alarm clock. 3. Extra large digital screen with 3 rows display. 4. Hours, minutes, seconds, day of the week, month and day. 5. 45 minute countdown . 6. Wearable football stopwatch. 7. Smart battery saving after no operations. 8. Silent mode with no alarm or BEEP at all. 9. to turn off. 10. Daily waterproof. colour:black Material:ABS size:Dial diameter: 50mm Thickness: 15mm Strap length: 27cm Package Contents: 1*Stopwatch with battery Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.