Gill Regatta Race Timer YELLOW FEATURES: Water Resistant to 30M Shock and Impact Resistant ABS Plastic Construction with Stainless Steel Case Back Flexible Strap Countdown Timer with Synchro Function Key Lock/Sleep Mode Function Chronograph - 50 Lap Memory, Recall Lap Time and Total Time Electro Luminescent Backlight Alarm Function Time, Date and Day Audible Alarm and Alert Sounds Sleep Mode to Preserve Battery Life