1、Tracking and positioning: This anti-lost smart viewfinder uses the latest Bluetooth 4 technology, which is convenient like a key ring, easy to carry and use, to ensure the safety of your valuable items, within your range. 2、Smart and easy to set up: Bluetooth connectivity remote control is easy to use with the app. This smart search function can also be a self-timer shutter in the key viewfinder locator tracker. 3、Versatile: Anti-lost alarm to protect your valuables, kids, wallets, cars, bags, pets from loss. The Key Viewfinder Locator Tracker also provides the last seen Pin-Drop on the map via the app to help recover your items and search for cars in the parking lot. 4、Long working distance: The finder positioner tracker controls the distance range is 10-15m. 5、Remote Control: You can remotely control your phone's camera or recording by pressing a button. You can take great wide-angle selfies from the front or rear camera. As a self-timer remote shutter, it's easy to capture the happiest moments. 6、 7、1. Your anti-lost, when the mobile phone and anti-lost device exceed the default effective distance, two-way automatic alarm, search the owner to prevent loss (used in, old people, children, pets, etc.) 8、2. Looking for things in both directions, the phone forgot to take it? At the same time, press the two anti-lost devices, the mobile phone alarm, what is the wallet forgotten? Press the call in the mobile app, the anti-lost device alarm, and retrieve it along the way. 9、3. Remote self-timer, easy to control the phone remote (maximum 10 meters) to take pictures. 10、4. Position tracking, you can view the current position of the object on the mobile phone, and you can find the last stop position after disconnection. 11、5. Multi-tasking management, a mobile phone, can manage up to 6 anti-lost devices at the same time. 12、 13、1. Adopting Bluetooth new 4.0 technology, the power consumption is very low, the button battery CR2032 power supply, a genuine battery can work for more than half a year, standby for more than 3 months, replacement is also convenient, all major supermarket convenience stores are sold. 14、2. Support IOS system and ANDROID 4.3 or above system (Bluetooth 4.0 required) 15、3. The anti-lost device is beautiful and stylish, providing unlimited imagination. 16、 17、The purpose of the Bluetooth self-timer anti-lost device: 18、1. The anti-lost device is equipped with accessories (such as keys, bags, etc.), and you can also use the self-timer to control the remote control. Very convenient. 19、2. Alarm reminder to prevent loss; 20、3. The anti-lost device is placed on the elderly, children, and low-skilled merchants. In complex environments (such as shopping, traveling, etc.), the alarm reminds you to prevent loss. 21、4. The anti-lost device is hung on the pet, enjoy the time of play, and control the intimate distance at any time. 22、 Material: ABS Size: 31*52mm thickness 11mm 1. Communication protocol: Bluetooth V4.0+EDR 2. Working distance: less than 10 barrier-free 3.APP software: random delivery QR code scan download 4. Battery efficiency: CR203 button battery, the longest lasting for three months 5.APP voice: support English, Chinese 6. Multi-task management, a mobile phone, can manage up to 6 anti-lost devices at the same time. The function of the Bluetooth self-timer anti-lost device: 1· Connect with the Bluetooth function of the mobile phone, and the two-way search function can connect 10 anti-lost devices at the same time; 2· In the connected state, when the anti-lost device exceeds the set Bluetooth range, the mobile phone and the anti-lost device simultaneously alarm; 3. On the mobile phone, you can check the map location when the anti-lost device is disconnected; 4. Provide the DND function, which can be set to mute during a certain period of time to prevent work and other important time from disturbing; 5. Control the phone shooting function with the anti-lost device and remotely control the self-timer. 6. Control the phone recording function with the anti-lost device. 1 x Smart Key Finder