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石英数字计时器
Quartz digital timers
基本信息
| NACRES | NB.35 |
| General description【一般描述】 | Display: 6 digits, 0.75 inch Special features: four independent channels each offer 100 hour countdown and countup with buzzer alarm; memory recall function; clock, magnet, clip and stand on back of unit |
产品性质
| size【尺寸】 | 2 1/2 in. × 2 3/4 in. × 3/4 in. |
| battery power【电池电量】 | 1.5 V button cell |
