1.This pet locator is made of high-quality PC material, with IP67 waterproof function, sturdy and durable, and no fear of collision. 2.This pet locator uses multiple positioning modes, such as GPS,AGPS, BDS, LBS, WIFI, etc. All those can that you get accurate location information and fast positioning speed. 3.This electronic locator supports geofence tracker, historical location evaluation, SOS, device search, alarm clock, etc., to help protect your pets safety in an all-round way. 4.Equipped with a high-sensitivity microphone and a remote operation system, this electronic tracker can not only help you listen to the sound around the tracker in real time, but you can also turn off or restart the tracker through the remote control. 5.Use a SIM card to activate the product and the alarm function helps to its safety. Colour:As Shown Material:plastic Size:5.33 x 2.3 x 2.9cm Package Contents: 1 x GPS locator 1 x collar 1 x charging cable 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.