car gps signal jamm er block er shield ing privacy protection positioning anti tracking stalking for auto vehicles

shield gps signal band with a total transmitting power of 0.8w, effectively prevent your car from being tracked by gps, and protect your whereabouts privacy. effectively shielding distance ranges from 1 to 15 meters, which can be adjusted according to customers' requirement.easy to use and low power to consume, no harmful to human body and environment. gps global satellite positioning system can not track or locate the specific location of the user to protect user privacy with this device,small size and lightweight to conveniently carry.applicable place:in the car,in the room,in meeting,at atm,locker room.syi