Frequent diagnosis is great for keeping your automotive vehicle in a good working condition. Perhaps a professional diagnostic tool is needed in some cases. Here is our KONNWEI KW902 ELM327 Bluetooth Automotive Diagnostic Code (Scanner/Reader) Tool recommended. It supports Bluetooth technology， which seems to be sophisticated and precise. Made of high quality material and with professional craftsmanship， this auto diagnostic code reader is up to standard and reliable in use. Built-in LCD display is easy to read relevant data. You will quickly and easily find any fault via this machine. Besides， it supports J1850 VPW / J1850 PWM / IS09141-2 / KWP 2000 etc. You must feel satisfied!                                    Features            New and high qualityLCD display for easy and clear data readingHigh quality PC material housingYou may quickly find out trouble causes (troubleshooter) of electronically controlled systems on your carSmall in size and conveniently fits in your palmRead live data stream !#!amp!*! freeze frame dataMultilingual menu options and code definitions Safely communicates with the on-board computerUnexpected strong and stable performance A useful diagnostic tool for professional technicians or car owners                                                             Specifications             Operating Temperature     0 to 60 ℃ / 32 to140 ℉    <br> Storage Temperature     -20 to 70 ℃ / -4 to158 ℉     <br> Dimensions     (2.36 x 1.77 x 0.98)" / (6 x 4.5 x 2.5)cm (L x W x H)    <br> Weight     1.41oz / 40g    <br> Color     Black    <br> Material     PC    <br> Support     J1850 VPW / J1850 PWM / IS09141-2 / KWP 2000 etc.      <br>                                                             Package Includes            1 x Diagnostic Code (Scanner/Reader) Tool<br>1 x CD<br>1 x User Manual <br>