Wind resistance rowing machine instrument Magnetic resistance rowing machine Bluetooth APP electronic watch Fitness equipment display screen function description: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: NormalMaterial: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.