GPS Blocker Cigarette Lighter

Adjustable Five Bands GPS Signal Jammer for Cell Phone,Website:http://www.jammerwill.com, 3G, WIFI Specifications■Adjustable Desktop Five Bands Signal Jammer for Cell Phone, CDMA/GSM/DCS/PHS, 3G■Isolating Signal Bandwidt: - CDMA/GSM(850-960MHz) - DCS/PHS(1805-1990MHz) - 3G (2100-2170MHz) - WIFI (2400-2485MHz) - GPS (1570-1610MHz) ■Total Output power: 12W ■Power Supply: AC adapter (AC100-240V  DC5V12A) ■Shielding Radius: Up to 40 Meters (depending on the mobile service provider's network condition and background signal strength) ■Adjustable outpat power, each band can be controlled separatelyPackage Contents■Jammer■AC Power Charger  ■Car charger ■5 x Antennas ■User ManualProduct Reviews:1. good sample, hope the further cooperation will be smoothly.2. cool, thanks for the good service and goods, very good,3. very strong, great. is there 4g signal jammer?4. thanks, just a week I got my package, good,5. Works great, really fast shipping !6. Can you delivery to Brazil? I want to buy 10pcs, is it safe?