Rowing Machine Counter Bluetooth APP Electronic Watch for Magnetoresistive Rowing Device Monitor Sc Wind resistance rowing machine instrument Magnetic resistance rowing machine Bluetooth APP electronic watch Fitness equipment display screen function 1. TIME (time): Press the MODE key to display the time. This value represents the sum of the time from start to finish.2. SPEED: Press the MODE button to display the speed. This value represents the speed of the current motion.3. DISTANCE (distance): Press the MODE key to display the distance. This value represents the total distance of the movement from start to finish.4. CALORIE: Press the MODE button to display the calories. This value represents the total energy burned from the beginning to the end of the exerciseDisplay parameter function:-TIME-SPEED-DIST-CALNote: The ordinary model has only parameters, and the upgraded model has dynamic pictures. 2x AA batteries not included.Type: UpgradeMaterial:plasticcolour:BlackPackage Contents:1 x Rowing Machine CounterOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.