This is a brand new and unused Bikebac Bicycle Tracker specific for Android phones using the Find Hub app. Sometimes theft prevention isn't enough and if they get through your locks the next step is to find your bike and catch thieves red handed. This device uses the Find Hub to track down your bicycle in case it's lost or stolen. It's hidden well and secured whether on the bikes water bottle mount or under your seat. It's discreet and will give you peace of mind knowing it can help retrieve your bike if ever lost/stolen. Any questions please ask BEFORE purchase.