ER1779B Features Works with all 1996 and newer OBD2 compliant vehicles (including 11 bit and 29 bit CAN) Reads and Clears generic and manufacturer specific Diagnostic Trouble Codes(DTCs) and turns off check engine light Supports multiple trouble code requests including generic codes， pending codes and manufacturer specific codes Reviews the emission readiness status of OBD monitors Determines the malfunction indicator lamp(MIL) status Retrieves VIN(Vehicle Identification No.) on 2002 and newer vehicles that support Mode 9 Easy-to-read backlit 2-line LCD display Stand-alone unit with no need for an additional laptop computer to operate Small in size and conveniently fits in your palm Safely communicates with the on-board computer Free CD software with over 7000 DTC definitions No batteries needed-powered via detachable OBD2 cable General Specs Brand & Model CAS804 Display Backlit LCD， 2-line， 8 characters Operating Temperature 0~50 Degree Celsius Storage Temperature Ranges -20~70 Degree Celsius Power 10.0~15.5v