Eccomum Mini Exercise Bike Indoor Portable Home Pedal Exerciser Warm tips: Please exercise according to your own condition, and don't exceed to exercise to make your muscle hurt. Specifications: Battery: 1.5V AAA Battery Material: High-Quality Plastic and Metal Size: 7.5 x 7.3 x 5.5in Weight: 8.2lbs Package List: 1 x Pedal Exerciser, 1 x User Manual Home Pedal Exerciser: Combined with Arm & Leg exercise by adjustable multi-level resistance , this mini bike trainer can target at providing different exercising level to train your muscle group, upper & lower body exercises with best effect to keep fit. Adjustable Pedal Resistance: The pedal exerciser with adjustable resistance whirling, you can set different level resistance according to different groups, different exercising degree of difficulty for different exercising period. Digital LCD Display: The multi function LCD monitor displays time, count, calories and distance (unit:meter), Moreover includes a scan feature that can show all measurements in sequence, make you know your exercising journey more easily. Lightweight & Portable Design: With compact design, mini size: 7.5 x 7.3 x 5.5in , weight: 8.2lb, you can training at anywhere and anytime, such as home, office, even outside, no limited for such small body. Easy Assembly: Pedal exerciser with all supplied accessories, in few minutes and without asking for any tools. The anti-slip pedal and the non-slip bike foot provide excellent attachment and will not slip during exercise."