K7 obd2 scanner can help free your wallet from suffering yearly 99~250 bucks subscription fee required by other scanners. Wireless WIFI Diagnostics: K7 obd2 code reader equipped with a Bluetooth V4.0 VCI dongle(working range:33 feet /10m),Not only get rid of the hassle of wired diagnostics,but also get away from the limited sapce in the car.
