USB car security alarm system

Easy install, stable protection, impossible to decoder, Competitive price This car USB alarm system use the high technic of use power to tramsmitter code, never same code among the same model, make your car 100% save. It use the car power to start the U disk of the USB alarm to transmit signal to the anti-sensor receiver which is connect to the fuel tank. Only after the anti-sensor get the correct singal, then it can give power to the fuel tank to allow it work. This signal frequency is total different to other signal frequency in the car, and won't affect other device work in the car. It won't be affected by any other wireless singal or electromagnetic signal. Any kinds of decoder is impossible to get it's code.The car owner can only by insert and pull out the U Disk to anti-theft the car. No matter whether your car already has a alarm or not, you can add this USB alarm to your car. How to use: 1, Pls insert the USB cigar into the car cigar lighter. 2, Before start the car engine, insert the anti-theft U disk to the USB cigar. Then the car can be started. 3, Only need to pull out the anti-theft U disk when turn off the engine, then your car will be in arm status automaticlly. When driving, the anti-theft U disk or the USB cigar tansmitter can be pulled out from the car, these won't affect the driving. Very Easy to Install: There are total 3 wires in the anti-sensor, 2 original wire and 1 black wire. Any car owner knows how to install. 1, Find the positive wire of the car fuel pump, cut it off. 2, Connect the 2 original wires to the two ends of the cutted positive fuel pump wire. 3, Connect the black wire to the car metal part.(Do not cut the black wire or do not connect it to any negative wire) Component: Two Anti-theft U Disk, One 12V Cigar with USB connect, One Anti-sensor, One manual Packing information: Gross weight: 0.20kg/set Package size: 25.5*11.0*4.2cm