Function: TIME (time): Press the MODE key to display the time.This value represents the sum of the time from start to finish. SPEED: Press the MODE button to display the speed.This value represents the speed of the current motion. DISTANCE (distance): Press the MODE key to display the distance.This value represents the distance of the movement from start to finish. CALORIE: Press the MODE button to display the calories.This value represents the energy burned from start to finish. PULSE (heart rate): Press the MODE button to display the heart rate.Hold the heart rate handle with both hands and hold it for about 3 seconds, the display window will display the natural heart rate value. Colour: black Material: ABS Package Contents: 1 * Rowing 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 picture a little different from the real thing.The measurement allowed error is +/- 1-3cm.