Remote pet calling: mobile phone voice recording is sent to the device, and the device automatically plays it.You can call Chong home remotely, which is fast and convenient. Calling a pet on the phone, other people's homes really don't have this function: the phone calls the device, and the device automatically answers, and the pet can be called home remotely, which is fast and portable. Historical track, check the dog's whereabouts at any time: every point is clearly recorded, and you know where the dog has been. Deep waterproof and dustproof structure, not afraid of caught in the rain every day. Color: As shown Material: PCB Package Contents: 1 set x positioner 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.