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.

Small size and lightweight to conveniently carry.

Applicable place:in the car,in the room,in meeting,At ATM,Locker Room

Voltage: 12V-24V

 Frequency Range: 1560-1580MHz

Operation Frequency Bandwidth: 20HzProduct

Size: about 8.6 x 2 x 2.1cm/3.4 x 0.8 x 0.8inAntenna

Length: about 6.8cm/2.7in

Remove the unit of GPS and install the antenna

Plug the device into the port of car cigarette lighter

When powered on, the indicator light is on to show normally work

Remove car charger directly after using.