Wind resistance machine instrument Magnetic resistance machine Bluetooth APP electronic watch display screen function description: 1. TIME (time): Press the MODE key to display the time. This value represents the sum of the time from 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 distance of the movement from to finish. 4. CALORIE: Press the MODE button to display the calories. This value represents the energy burned from the beginning to of the exercise Display parameter function: -TIME -SPEED -DIST -CAL Note: model has only parameters, and the upgraded model has dynamic pictures. 2x AA batteries not included. Type: Upgrade Material:plastic colour:Black Package Contents: 1 x Machine Counter Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.