1.Lose three or four? Solved! 2.You can from any distance 3.IP65 dustproof and waterproof, fearless of water splashes and dust, effortlessly handling daily water splashes and splashes 4.Activate lost mode and keep track of pet movements at all times 5.Long Range Working voltage: 2.6v-3.6V Working temperature: -20~60 C Transmission distance: 100-120 meters (in open environments) Power consumption: maximum 9.5mAh in advanced mode, average 22uA in pairing mode Battery:1 section CR2032 System requirements and compatibility: Bluetooth 5.0/i0s14.3 and above (For users only, only applicable to , , , and Android users who have installed iOS 14.3 or higher.) Due to different batches, there may be differences in product appearance and printed text, which will not affect use Colour:Black Material:abs+pc Package Contents: 1 x Tracker 1 x leather case 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.