If you are sick of all those phones going off, or being tracked everywhere with GPS, this is the anti-spy gadget you have been looking for. This jammer system comes with a built in rechargeable Li-ion battery for hours of signal jamming, and with the included car power adapter, recharge and use this in your car as well as the office. Incredible easy to operate, just switch it on and it will immediately start blocking any GPS tracking device signals will keep noise and other disturbances away.
Note: The jamming distances we mentioned on website are for customer's reference only. The actual jamming distance will be varied depending on the signal strength and the use location and if full charges, etc.