It has many functions such as read trouble codes, check engine light(MIL), clear trouble codes, display current sensor data, calculate fuel oil consumption.
VS890S Features and Functions:
Works with all 1996 and later OBDII compliant US, European and Asian vehicles.
Support manual input DTC Lookup. This operation will erase all DTCs, Freeze Frame Data, Oxygen sensor data, and reset IM Monitors and MIL.
Read Diagnostic Trouble Codes (DTCs);
Clear trouble codes;
View real-time vehicle operation data (Data stream);
View Freeze Frame data;
View I / M readiness;
Read O2 Monitor Test data;
Read On-Board ;
Component Test;
View the vehicles information;
Modules Present;
Unit of Measure;
State Emission;
Read All DTCs;
Read Stored DTCs;
Detailed help information;
Capable of showing probable caues of a DTC code.
Up to 161 data items, each of them is with online help information.
Reset engine MIL.
This operation will erase all DTCs, freeze frame Data, oxygen sensor data, and reset IM Monitors and MIL.

Specifications:
Item type: Auto Diagnostic Scanner;
Model: VS890;
Material: ABS+PC;
Color: Black;
Diagnose Interface: 16 pin;
Cable Length: 137cm / 53.9in;
Working Voltage: 12V;
Languages: Spanish, Portuguese, Korean, Japanese, Italian, Hebrew, German, French, Finnish, English, Dutch, Danish, Chinese;
Package weight: 700g / 1.54lb;
Package size: 15 12 10cm / 5.9 4.72 3.93in;

Package list:
1 Auto Diagnostic Scanner;
1 OBD2 Cable;
1 USB Cable;
1 English User Manual;
1 Nylon Bag