Smart Anti Lost FinderSwalle Anti Lost Alarm Finder is controlled by the app in the intelligent terminal device through Bluetooth,Website:http://www.goswalle.com,supporting both IOS and android system.Swalle Anti-Lost Alarm works with Bluetooth 4.0 ready smartphone, such as iPhone4s/5/5c/5s, iPad3/Mini/Ai,SamsungS3/S4/S5/ Note2/Note3. Swalle lost keys finder communicates with smartphone’s free App and works as key finder, anti lost alarm and camera remote shutter.Specification of Swalle Anti Lost FinderDimension: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)Never Lose Your Keys Again1.Finding objectsWhistle Key Finder helps you to find your phone, bag, key, children and old people you care of when they go out of your safety range.2.Biderectional anti-lost alarmWhen Swalle and app is well connected, you are free to tap the app or press Swalle to make each other alarm with sound, vibration and flash.3.SettingSet 3 kinds of alarm range : Near 5 meters/ Middle 23 meters/ Far 33 meters. 4.Lost Location HistoryWhen connection was broken, the app will add a pushpin on the map. It can inform you when and where lost the object5. Remote ShutterTap the camera icon to launch camera in the app. Press the button on the Swalle to trigger the phone take picture or video.Safety Instruction1. The Key Finder can not be used without installing and running the App on your phone.2. Keep it dry and away from moisture and corrosive material.3. Do not disassemble this product or attempt to repair or modify it in any manner.4. Battery and battery-cab are included in the product. they are all small parts to children. The product should not be used without the adult supervision in case children swallow or get choked by these small parts. Consult your doctor immediately if that happens.5. All products have gone through a thorough quality assurance inspection, feel free to use it.6. Always return used button batteries to your local battery-recycling center.