Smart positioning and search. Anti-lost device that supports for Find My function Replace for for global positioning of items. Global accurate positioning at any distance. As long as there is an device (//) around, the location of the item can be tracked Easily at close range. Through the "Item" tab of the Find APP, the built-in speaker of for FINEINTAG can play a sound to indicate the location. You can easily by following the sound Extremely long standby time. Ultra-low power consumption can last up to 10 months. It means you no longer need to change the battery frequently, saving precious time Accessibility: record lost location, rename items, customize item icons Connectivity: Bluetooth technology for proximity sensing, supports lost mode Alarm volume: built-in buzzer ( 100 dB) Battery: replaceable CR2032 button battery Operating environment: operating environment temperature: -20C to 60C (-4F to 140F) Color: White Material: ABS Package Contents: 1 x GPS Tracker 1 x Instructions in Chinese and English 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.