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 Scope of Application: 1. Lower limb problems, leg hemiplegia, aging knees, leg problems. 2. For leg and arm exercises 3. Leg and arm exerciser helps build muscles, improves blood circulation and strengthens shoulders, arms and legs. 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.