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Manufacturer: Semdu Brand: Semdu

100% brand new with high quality. -Display: hour, minute, second, month, day and week -EL back light -Stopwatch function -Alarm output with 1 min. Snooze -Chime on every hour -Operating temperature range: 5 ¡æ -35 ¡æ -Battery: 1.5V button cell with high capacity -Battery life: in the normal situations can be using 18 months -30M water resistant. NOTE: Please do NOT press any buttons in water when swiming or diving.

Manufacturer: Semdu Brand: Semdu

100% brand new with high quality. -Display: hour, minute, second, month, day and week -EL back light -Stopwatch function -Alarm output with 1 min. Snooze -Chime on every hour -Operating temperature range: 5 ¡æ -35 ¡æ -Battery: 1.5V button cell with high capacity -Battery life: in the normal situations can be using 18 months -30M water resistant. NOTE: Please do NOT press any buttons in water when swiming or diving.

Manufacturer: Semdu Brand: Semdu

100% brand new with high quality. -Display: hour, minute, second, month, day and week -EL back light -Stopwatch function -Alarm output with 1 min. Snooze -Chime on every hour -Operating temperature range: 5 ¡æ -35 ¡æ -Battery: 1.5V button cell with high capacity -Battery life: in the normal situations can be using 18 months -30M water resistant. NOTE: Please do NOT press any buttons in water when swiming or diving.

Manufacturer: Semdu Brand: Semdu

100% brand new with high quality. -Display: hour, minute, second, month, day and week -EL back light -Stopwatch function -Alarm output with 1 min. Snooze -Chime on every hour -Operating temperature range: 5 ¡æ -35 ¡æ -Battery: 1.5V button cell with high capacity -Battery life: in the normal situations can be using 18 months -30M water resistant. NOTE: Please do NOT press any buttons in water when swiming or diving.

Manufacturer: Semdu Brand: Semdu

100% brand new with high quality. -Display: hour, minute, second, month, day and week -EL back light -Stopwatch function -Alarm output with 1 min. Snooze -Chime on every hour -Operating temperature range: 5 ¡æ -35 ¡æ -Battery: 1.5V button cell with high capacity -Battery life: in the normal situations can be using 18 months -30M water resistant. NOTE: Please do NOT press any buttons in water when swiming or diving.

Manufacturer: migrui Brand: mnrui

100% brand new with high quality. -Display: hour, minute, second, month, day and week -EL back light -Stopwatch function -Alarm output with 1 min. Snooze -Chime on every hour -Operating temperature range: 5 ¡æ -57 ¡æ -Battery::¿Ÿ?

Manufacturer: Semdu Brand: Semdu

100% brand new with high quality. -Display: hour, minute, second, month, day and week -EL back light -Stopwatch function -Alarm output with 1 min. Snooze -Chime on every hour -Operating temperature range: 5 ¡æ -35 ¡æ -Battery: 1.5V button cell with high capacity -Battery life: in the normal situations can be using 18 months -30M water resistant. NOTE: Please do NOT press any buttons in water when swiming or diving.

Manufacturer: MINGRUI Brand: Semdu

100% brand new with high quality. -Display: hour, minute, second, month, day and week -EL back light -Stopwatch function -Alarm output with 1 min. Snooze -Chime on every hour -Operating temperature range: 5 ¡æ -35 ¡æ -Battery: 1.5V button cell with high capacity -Battery life: in the normal situations can be using 18 months -30M water resistant. NOTE: Please do NOT press any buttons in water when swiming or diving.

Manufacturer: Semdu Brand: Semdu

100% brand new with high quality. -Display: hour, minute, second, month, day and week -EL back light -Stopwatch function -Alarm output with 1 min. Snooze -Chime on every hour -Operating temperature range: 5 ¡æ -35 ¡æ -Battery: 1.5V button cell with high capacity -Battery life: in the normal situations can be using 18 months -30M water resistant. NOTE: Please do NOT press any buttons in water when swiming or diving.

Manufacturer: OnlineScienceMall Brand: OnlineScienceMall

A stopwatch is an essential piece of equipment for anyone involved in sports and technical applications. It is much more reliable than watching a clock on the wall, when it comes to seeing how fast something take. It is lightweight and easy to operate, in addition to being a much more economical alternative to the traditional mechanical stopwatches. Combined with the versatility of their functions compared to the mechanical version, the digital stopwatch has become the most popular timing device used in school gym classes and science experiments across the United States and North America.