OBD2-Scanner

[randskelly]

There are a couple of offers for OBD2 scanner. Which device is more satisfying?

http://www.sainstore.de/auto-motorrad/auto-diagnosegerat/sainspeed-t79-digital-auto-obdii-eobd-scanner-diagnosegerat-codeleser.html

http://www.ebay.de/itm/OBD2-Diagnosegerat-fehlercode-Diagnose-Scanner-Scan-Tool-T79-Auto-Computer-/170726622422

http://de.aliexpress.com/item/Highend-Diagnostic-Scan-Tool-OBDII-auto-scanner-T79-yellow-multilingual-updatable/593919325.html

http://www.amazon.de/s/ref=sr_pg_1?rh=n%3A78191031%2Ck%3Aobd2&sort=reviewrank_authority&keywords=obd2&ie=UTF8&qid=1357482652