Specifications: The body is small and light.Simple round appearance, stylish and beautiful, Can be easily carried, with you easy travel unlimited distance accurate positioning Easy to find objects and prevent loss Connect with mobile phone about 5-10 meters away from the room about 10-20 meters outside.Under the condition of ensuring the permanent background of APP, you can easily manage your casual items. Replaceable battery for long-term use.1 grain battery can be used for 8~12 months, easy to replace the battery, CR2032 buckle battery(include), each supermarket has a sale Life level waterproof.Daily splashing or wear, not affected, but do not soak in water for a long time Description: Name: positioning anti-loss device Product battery: replaceable use Waterproof grade: IPX5 Material: plastic colour: A-Black Package Contents: 1 x Find My Locator Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.