1 pcs auto diagnostic scanner tool & 2 pcs front center side air vent outlet tab clipssteps for usage: insert the product directly into the car obd interface and connect to the mobile app: torque; there is a cd inside the package. there is an app to download in the cd: torque; top 5 reasons to get v2.1 mini bluetooth obd : 1.this is a vehicle diagnostic tool interface scanner, which is is used to read trouble codes, clear trouble codes and detect fuel pressure and so on.2.obdii software for is a free program that allows you to use your pc and a hardware interface to get the information from your car's computer. 3.the program is very user-friendly, and easy to learn. it is also very easy to install: simply extract the files into a folder on your computer's hard drive, and you're ready to go. 4. to uninstall the program, simply delete the entire contents of the folder where the program resides.5.the software supports four platforms - for dos/windows/android. this product is a non-, generic product. notice: this device can't work with ios system. mini bluetooth is the newly developed wireless scan tool. it supports all obd-ii protocols: works with all obd-ii compliant vehicles; wireless (bluetooth); software included for palm, pda; software included for windows pc; software included for windows smartphone; supports iso 9141, kwp2000supports sae j1850;supports can bus; v2.1 mini bluetooth obd car diagnostic scanner; specification:support obd-ii protocols as follows: * iso15765-4 (can) * iso14230-4 (kwp2000) * iso9141-2 * j1850 vpw * j1850 pwm; sae j1850 pwm (41.6 kbaud); sae j1850 vpw (10.4 kbaud); iso 9141-2 (5 baud init, 10.4 kbaud); iso 14230-4 kwp (5 baud init, 10.4 kbaud); iso 14230-4 kwp (fast init, 10.4 kbaud); iso 15765-4 can (11 bit id, 500 kbaud)Diagnostic instrument:ISO 15765-4 CAN (29 bit ID, 500 kbaud); ISO 15765-4 CAN (11 bit ID, 250 kbaud); ISO 15765-4 CAN (29 bit ID, 250 kbaud); Device type: Car bluetooth read interface scanner; Interface type: Auto V1.5 interface; V2.1 Mini Bluetooth OBD Car Diagnostic Scanner Free1. .net2. Mode 22 Scan Tool by 3. OBD Gauge for PalmOS and Pocket PC by 4. OBD Logger by Jonathan Senkerik5. OBD-II ScanMaster by Wladimir Gurskij (ScanMaster 3.52 - local copy)6. obd2crazy.com7. OBD2 by Ivan Andrewjeski8. OBDII for ELM322 by David Huffman9. pyOBD by Donour Sizemore for MacOSX and Linux10. RDDTC by Pete Calinski11. Real Scan by Brent 12. ScanTest for Pocket PC by Ivan Ganev aka a-ser13. OBD by WDTColour: BlackMaterial: PC + metalbuckle:[Fit Perfectly] It is customized and designed for Corolla 2009-2013, also it is molded by car,which seamless fits.Compatible with Front center AC vent.[Excellent Material] Made of ABS+PC material, which is more durable and reliable.[Special Design] A plastic damping can reduce the Friction between the buckle and the oringinal air grille while using the air vent tab clip,so as to maintain the car texture.colour:blackmaterial:ABS+PCPackage Contents:1 * Diagnostic instrument1 * CD Drive2 * buckleOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.