Usage Tips:Wind resistance rowing machine inst ent 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 exercise Display parameter function: -TIME -SPEED -DIST -CAL Note: The ordinary model has only parameters, and the upgraded model has dynamic pictures. 2x AA batteries not included. Type: Upgrade / Normal Material:plastic colour:Black Package Contents: 1 x Rowing Machine Counter Only the above package content, other products are not included. Note: Light shooting 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.