This product is a must have for you, if your cars' performance is of prime importance to you. Do not run the risk of relying on mechanics whose stock-in-trade is the old and ineffective "trial and error" method; At best, your car is damaged. Derive the benefit of accurate diagnosis. Let this device tell you at every point in time the true status of your car, while pin-pointing the exact faults.*Accurate and quick diagnosis *Can auto fix some common problems; turn off the MIL (check engine signal)*Displays real-time operating performance of the car, such as momentum, vehicle speed, oil pressure, coolant temperature, throttle position, the values of oxygen sensors, and air intake temperature. *Compatible with your mobile devices; Android, IOS, Windows*Bluetooth V3.0 equipped; download data to external media in a variety of formats for later printing.*Durable and Reliable, and compact design*Equipped with the fastest and most reliable ARM chip*Suitable to all cars with OBII protocol 1996 or later.*Up to 10 metres range stable wireless connection *Plug and play, no need to unplug ever; device automatically switched off after about 30 minutes of inactivity.