... 4. CE, RoHS certified K7 Protable GPS Tracker for kids/animalsIt is a good choice of bodyguard ... for your kids and pets.By GPS system, accurately obtain equipment postion, ... adventure rescue, business team management, security assistance, weak person guardianship, remote monitoring, SOS, and valuables so on. ... lower than 3.4V. k7 Protable GPS Tracker for kids/animals