0.01s Precision Timer Stopwatch Metal Stopwatch Sport Waterproof Luminous Stopwatch Hours Minutes Month Display 40h Countdown

SPECIFICATIONSBrand Name: LETOOLOrigin: Mainland ChinaUsage: Stopwatch TimerTheory: DigitalCertification: CEType: stopwatchColor: silverMaterial: metalSize: 74*60*15mm 0.01s Precision Timer Stopwatch Metal Stopwatch Sport Waterproof Luminous Stopwatch Hours Minutes Month Display 40h Countdown YS-528L:material: metalSize: 74*60&15mmPackage:1*Stopwatch(with battery)1*lanyard Function Description:1. Stopwatch: 0.01 second precision, up to 39 hours 59 minutes 59 seconds2. Clock and calendar: 24-hour system, year, month, day display, week display3. Alarm clock: daily alarm clock can be set, and the alarm clock can be turned on or off4. Hourly timekeeping: the hourly timekeeping can be turned on or off5. Countdown and cycle timing: the longest timing is 39 hours, 59 minutes and 59 seconds, and the reminder time can be set6. Luminous display: press once for 4 seconds7. Can be mute: can turn on or off the button sound8. Memory function XL-1068:Size: 7.5*6.92*1.5cmMaterial: ABSPackage:1*Stopwatch1*lanyard (with battery) Function Description:1. Accuracy 0.01 second2. Display time, calendar; alarm clock3. Tell the time on the hour4. Split timing D-113material: plasticBattery: CR2032 button battery (not included)Function Description:1. Timed alarm reminder2.12/24 hour clock3. Accuracy 0.01 second4. Luminous screen5. Temperature measurement function6. Memorable D-108material: plasticBattery: CR2032 button battery (not included)Function Description:1. Timed alarm reminder2.12/24 hour clock3. Accuracy 0.01 second4. Temperature measurement function5. Memorable TA-210material: plasticBattery: CR2032 button battery (not included)Function Description:1. Timed alarm reminder2.12/24 hour clock3. Accuracy 0.01 second4. Step metronome5. Timing Countdown6. Memorable XL-011material: plasticBattery: CR2032 button battery (not included)Function Description:1. Timed alarm reminder2.12/24 hour clock3. Accuracy 0.01 second A-105Material: ABSBattery: AG13 button battery (not included)Function Description:1. Display time, calendar2. Alarm clock function; tell the time on the hour3. Accuracy 0.01 second Precaution:1. This product is waterproof, but cannot be immersed in water2. This product contains precision components, please do not drop, smash, throw, etc.3. Non-professionals should not disassemble privately Product B：