Specification: Item Type: Bike Pedal Exerciser Material: Steel tube LED Display: 1 x LR44 Battery (Included) Capacity: 160mAh Size: Approx. 49 x 35.5 x 24cm / 19.29 x 13.98 x 9.45in Installation Method: For the convenience of packaging, after receiving the product is folded, you have to break two feet by hand, aligning holes. Folding Method: When folding, pull the rings with your finger and pull out it. Then pull the two feet in with your hands to fold the device quickly. LED Display: Press the red button, open the electronic watch, through the red button, select the function you want, the electronic watch on the right can display the selection function. TIME: Displays the time during exercise. DIS: The number of metres of movement recorded. COUNT: Records the number of turns of each pedal rotation. T-count: Total number of circles CALORIES: Count the calories burned during exercise. Package List: 1 x Bike Pedal Exerciser1 x Accessory 1 x Instruction Note: Please allow 1?3cm error due to manual measurement. Thanks for your understanding.