1. Anti-lost alarm - When the product is out of range of your mobile phone (from about 5-30 meters, which you can set on the mobile) , both of the product and your mobile will alarm to alert you, so that you will not lose your things any more.
2. Bidirectional finding things -You can use the product to find where is your mobilephone and you can also use your phone to find your things attached with the product.
3. Taking pictures - Use the product and the app to take pictures by your mobile, which is very easy and useful and you not need any other delayed actions.
4. Recording lost history location - Our app is with gaode, google or apple maps, which can show the product location and record the product lost history location, so that you can know from where and when you lost your things.