Product description OBDBook is brought forward by LAUNCH. It is one of the latest portable series scanner for the car user to check his/her car's status OBDBook keeps and enhances functions of its previous generations-Creader. The screen is larger. Its book shape design is more accordable with Ergonomics for hand hold convenient. 5 keys make operation easy and rapid. Product character 1. Smart appearance, book shape design, hand hold convenience. 2. New large screen, both DTC and its definition are displayed for user. 3. 5 function keys make it easy to operate. 4. Update via the Internet, cover the latest cars. 5. Perfect after service system satisfies customers in whole product life Product parameter Working temperature range:-20f+70fª Input voltage range:9f+25V Input current: less than 200mA Display: double 160*160 Support OBDII&EOBD protocols: SAE J1850 VPWf=SAE J1850 PWMf=ISO 9141f=ISO 14230(KWP2000)f=ISO 15765 (CAN)