About This 【Stopwatch Function】-- 100 Lap memory and 0.01 second accuracy , multi-functional stopwatch, three row display . Looking up records up and down , read the fastest or slow time is available . 【Backlight Stopwatch】-- With LED back light, Rolilink Stopwatch could use even in night or other weak-light days . And a Plastic film on screen , protect led screen . 【No Beeping Sounds】-- The stopwatch beeping sound could be turn off or on according to your needs . When you turn off the beeping sounds and hold down the button, there are not bells or whistles . 【Countdown】-- Countdown timer up to 9 hours, 59 minutes, 59 seconds . Also with Pacer ,Alarm clock , Time and date display 12h or 24h settings are optional functions . 【Power Saving】-- Stopwatch could be shut down by manually to save battery . Battery could be replaced when the power is run out . Overview Color : 100 Lap Backlight-metal Brand : Rolilink Material : Metal, Plastic Product Dimensions : 2.76"D x 2.52"W x 0.55"H Item Weight : 0.18 Kilograms