Find a Lost ItemIf you pare the Anti Lost Key Finder accessory with you smart mobile phone,Website: , an alarm will sound from your mobile and the Bluetooth Key Finder if you stray too far away or your phone is moved away from you without permission. The distance the alarm sounds can be set in the free 'Easykeyfinder' app for complete customisation.Speification of Remote Finder LocatorDimension:D31mm x T5.4mmWeight:5gWireless: Bluetooth 4.0 (Bluetooth Low Energy)Range:0~50metersBuzzer:70dBIndicator:Blue LEDBattery: CR2016 button battery X1Working Time:(The continual beep of alarm have impact on working time)Disconnected but can be found by phone 7X24h:   Up to 12 monthsTemperature Range: -20℃ to +70℃Water proof: IP67(R631/R633 only)Small Button, Big Usage1.Key Finder/LocatorTap the Scan icon in the app to connect with Easykeyfinder, then tap the icon to locate the Easykeyfinder.2.Remote ShutterTap the camera icon to launch camera in the app. Press the button on the Easykeyfinder to trigger the phone take picture or video.3.Anti-lost AlarmWhen Easykeyfinder goes out of safety range, the app will alert you with sound, vibration and flash. Alarm can be set on easykeyfinder application, phone, or both. Besides, for iOS system, the alarm could be shut off by shaking the smart devices.4.Phone FindingPress the button on the Easykeyfinder to find the phone.5.Lost Location HistoryWhen connection was broken, the app will add a pushpin on the map. It can inform you when and where lost the Easykeyfinder.6. Mute Function for iOS system onlyA. Do Not Disturb Mode-Once switch on,the smart devices and the keyfinder would not alarm whether the connection is broken or not.B. Security Zone- Connected with the current same wifi, mute could beset in the application for a certain time when the smart devices and key finder would not alarm even though the connection is broken.Attention: Please leave messages or emails to us if you have any questions or requests about our products, thank you!