Knopka24 is an applictaion,supplying users with complete,unified,and convenient Customer Experience ,suitable for a series of wearble products,such as GPSwatch for kids and elder,and pets gps tracker.In the future,contuniousely more and more gps tracker will be avainable on the APP.1)suprrottwo-way communictation 2)location3)historical trace4)remote monitor5)SOS6)Health record
Knopka24
