Product parameters: 1. Net weight: 8g 2. Gross weight: 13g (PE bag), 24g (color box) 3. Material: ABS 4. Size: 42*40*10mm 5. Color: 8 colors optional 6. APP: isearching 7. Battery: button battery (CR2032) Specifications: This anti-lost device is a product based 5.0 low-power technology. By using the "iSearching" APP software to connect with mobile devices such as mobile phones and mobile devices via , the user can easily lose items and valuables (such as keys, portable Bags, easy-to-lost items, etc.) are bundled together to realize the functions of anti-lost reminders of items, finding mobile phones, and can also realize remote control photography, recording and functions (for example: party photos, selfies, etc.). The effective use distance of the anti-lost device can reach 25 meters in an open area, and you can even use it babies or pets, so you no longer have to worry about them being lost; the button battery CR2032 used by the anti-lost device is widely used by major commercial Super convenience stores can be easily purchased, and a button battery can work for more than half a year. Package Included: 1*Intelligent anti-lost device