This is the CYCLAMI S2 mount. A cycle computer can be mounted on the top, and an action camera or light can be mounted on the bottom. We also sell other sports bike accessories, so please take a look at #polvere's bike listings if you're interested. Compatible handlebar diameter: 31.8mm Compatible models: iGPSPORT, XOSS, Magene, GEOID, COOSPO, some Garmin models, etc. The box is not included due to shipping costs. If you need the box, please contact us before purchasing, and we can include it for an additional 400 yen. However, please be aware that the box may arrive with damage, such as crushing.