Description: APP:Tuya Bluetooth4.0 Battery1-year Replaceable CR2032 Rang10-50M Volume:Louder Ring product size6.5*3.2*0.2cm Specifications: Intelligent two-way search Use the mobile app to connect. Tap the phone and the device will sound an alarm.Click the product button, the phone will also emit a tone. Location histoy The APP will automatically record the location when the connection is disconnected Make it easy to find lost items 85DB High Volume The sound is up to 85db,and the working diameter can reach 10-15 meters. Easily find objects with one click One-click seach.Open the APP and find the corresponding object finder. click to call the object finder and the sound will guide you to find it. Use range: keys, wallets, pets, bags, suitcases, etc. Package Included: 1* Tracker 1*User Manual