1. There Is Waterproof Real Protection, Easy Waterproof Does Not Damage The Machine, Even If Soaked In Water Is Not Afraid 2. Items Lost, In Rainy , In Depressions. Waterproof, In Order To Truly Continue To Your Items 3. Easily Find Things And Say Goodbye 4. Waterproof Grade Upgrade, Not Afraid Of Wet Rain Weather 5. Global Positioning, Large-scale Accurate Search, Unlimited Distance Tracking Item Location 6. The Connection Is Ready To Use, No Need To Download APP, And The Anti-loss Device Can Be Wirelessly Connected Through The "find" APP Provided By The Device, Which Is And More Convenient. 7.365 Of Long-lasting Battery Life, Button Battery, Easy To Replace, 8. Disconnect The Reminder And Open The Missing Notification. Once The Wallet, Key Or Other Personal Belongings And Articles Are Dropped, The Mobile Phone Will Receive A Reminder To Avoid Loss. Product Name: Anti-lost Device Battery Capacity: 240 mAh Wearing Way: Hanging Applicable Platform: Fully Compatible Colour:Gray Material:plastic Package Contents: 1 x Smart Tracker Tag Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.