V40-concern pet security, intelligence core 8 advantagesWaterproof is the most basic to choose pet tracker,v40 is waterproof IP66,dustproof,quakeproof.So enjoy your happniess time.the usb magnetic charging cable will easy for user to charge the tracker,also avoid water damager to gps tracker at any one time5 mode positioning, glabal universal,vjoycar adopt brand new gps+agps+wifi+lbs+inertial 5 fix positioning. with vjoycar, you can track your pet at any time and protect them in the best wayreative WIFI fence,binding the WIFI hot spot, when pet leave or come back home,you will get alarm immeditaly.No need to find them in your yard,finally find they are waiting for you at the door.super long standby time,low battery alert,standby 10 days,tracking 3 days,low batery alert to remind you charge in timesmart LED lights,along with loveplayback routes,happy sharing