Description: Anti-lost valuables: The anti-lost device is placed on the elderly, children, and people with low IQ, and alarms to prevent loss in complex environments (such as shopping, traveling, etc.). Remote control Selfie, easily control the mobile phone to take pictures remotely (maximum 10 meters). Location tracking, you can check the current position of the object on the phone, and you can check the last position after disconnecting. The anti-lost device is attached to accessories (such as keys, bags, etc.), Hang the anti-lost device on your pet, enjoy playing time, and control the close distance at any time. In the connected state, when the anti-lost device exceeds the set Bluetooth range, the mobile phone and the anti-lost device will alarm at the same time. Control the phone recording function through the anti-lost device. Specification: Communication protocol: Bluetooth V4.2 Working distance: less than 10 barrier-free APP software: scan and download the QR code of random delivery Battery: 230mAH Multi-task management, one mobile phone can manage up to 5 anti-lost devices at the same time. Size: 42x40x10mm Package Includes: 1x GPS Tracker(3 Pack) Note: Transition: 1cm=10mm=0.39inch Please allow slightly 0-1cm difference due to manual measurement. Colors can appear different depending on light and how the listing is viewed. Thanks for your understanding and attention. Wish you a pleasant shopping experience!