1. Waterproof Anti-Lost Device With Adhesive Backing 2. Suitable For Bluetooth Locator 3. Suitable For Findmy Pet Tracker 4. Suitable For Ios System Anti-Lost Artifact 5. Waterproof Function Gps Positioning Accuracy:100m Battery Type:Button Battery Antenna Type:Bluetooth Alarm :Mobile Alarm Type:Bluetooth Locator Function:Waterproof Note:Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Colour:D:Green Material:ABS+silica gel Package Contents: 1 * Locator 1 * Silicone Protective Cover 1 * Instructions In Chinese And English 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.