①. Wind resistance rowing machine instrument Magnetic resistance rowing machine Bluetooth APP electronic watch Fitness equipment display screen function ②. 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 distance of the movement from start 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 ③. Display parameter function: -TIME -SPEED -DIST -CAL ④. Note: model has only parameters, and the upgraded model has dynamic pictures. 2x AA batteries not included. ⑤. Type: Normal ⑥. Material: plastic ⑦. colour: Black ⑧. Package Contents: 1 x Rowing Machine Counter Only the above package content, other products are not included. ⑨. 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.