Model: CS-002Dial diameter: 43mmBand length: 24cm  12/24h modes  EL blue backlit Wireless transfer the heart rate signal Frequency: AM5.3KHz Time display:Hour，Minute，SecondTransmission range: 1m With alarm function With timer function: max 23h 59min 59sec 99  Adjustable length of chest belt: 70~174cmWatch powered by 1 x CR2032 battery (included)Chest belt powered by 1 x CR2032 battery (included)  Daily water resistant (not for swimming or diving)  Comes with English manualPacking list:1 x Heart Rate Watch 1 x Strap1 x English user manual