Backlight LED backlight clearly displays screen information in low light conditions. And a plastic film on the screen, protects the LED screen Multifunction Stopwatch mode, time mode, countdown mode and alarm. Split memory recall 2 lap memory up to 39 hours and recall. Alarm Keep silent It is for turning off the volume and alarm clock. The stopwatch is used for sports and football matches, suitable for coaches, training, runners, adults and children. focus on highquality items, quality is our soul, all products provide you with highquality stopwatch. Stopwatch Instructions TIPS 1. How to turn onoff the alarm Press the M button switch Clock mode to Alarm mode, then press the S button once, it turns on or off the alarm. 2. How many modes are there on this item Four modes Clock, Stopwatch, Countdown, Alarm. Plastic film Before using the stopwatch, the plastic film can be removed. Or still put it on the screen, it will not cause too much visual disturbance. Color Silver Material Metal Size 746015MM Package Contents 1 Stopwatch with Battery Only the above package contents, 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 13 cm.