QUICK LOCATION: The dog locator can help find the item quickly and accurately after connecting to your mobile phone; just press the button and follow the sound cues, it can find various items like keys, wallets, TV remotes, keychains, glasses, dog collars, or other things within 15m/49.21ft. LONG BATTERY LIFE: Uses CR2032 battery power (battery not included), the standby time of the item finder is estimated to be more than 6 months, with low power consumption, easy to replace the battery after it runs out. ANTI-LOST WARNING: In connection mode, the phone and the key loss tracker will alarm simultaneously when the locator exceeds the preset range, and you can check the position on the map while they are disconnected. Whether you use it yourself or send it to your family, elderly parents, and forgetful friends, it will definitely make them feel warm and appreciated. TWO-WAY ITEM FINDING: By clicking on the mobile app, the smart search tag will sound an alarm, and by double-clicking the button on the anti-loss device, the phone will also automatically sound, allowing you to easily find your lost items.