1. Wind resistance rowing machine instrument Magnetic resistance rowing machine Bluetooth APP electronic watch Fitness equipment display screen function 2. TIME (time): Press the MODE key to display the time. This value represents the sum of the time from start to finish. 3. SPEED: Press the MODE button to display the speed. This value represents the speed of the current motion. 4. DISTANCE (distance): Press the MODE key to display the distance. This value represents the distance of the movement from start to finish. 5. CALORIE: Press the MODE button to display the calories. This value represents the energy burned from the beginning to of the exercise 6. Display parameter function: TIME, SPEED, DIST, CAL 7. Note: model has only parameters, and the upgraded model has dynamic pictures. 2x AA batteries not included. 8. Type: Normal 9. Material: plastic 10. colour: Black 11. Package Contents: 1 x Rowing Machine Counter 12. Only the above package content, other products are not included. 13. 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.