I've added a photo of the cadence sensor that attaches to the pedals at the end, as it was missing before. It's in excellent condition. Please take a look. [High-Precision Cycle Computer] Excellent condition. Japanese version, genuine product. The GARMIN Edge 820J is a high-precision computer specifically designed for cycling. It features GPS functionality and accurately records riding data. [Multi-Functionality] Includes a heart rate monitor, mount, and cables, so it's ready to use immediately. It offers a variety of functions to improve cycling performance. [Compact Design] Equipped with a 240 x 240 high-resolution display, offering high visibility and easy operation. It's lightweight and designed for easy portability. Everything in the photos is included. - Brand: GARMIN - Model: Edge 820J - Accessories: Genuine cover, heart rate sensor (hardly used), mount, cables, tools, straps, instruction manual, expired Garmin product warranty - Screen Size: 240 x 240