Updated version of Autool X50 ,Compared with AUTOOL X50, there are some highlights of AUTOOL X50 Plus: 1. Bigger screen than AUTOOL X50 AUTOOL X50: 1.6 inch screen, while X50 Plus : 2.4 inch screen 2. Unit of SPD – Km/H, MPH 3. Unit of CWT – C (Celsius degree), F (Fahrenheit degree) 4. Unit of Fuel – L/100km, MPG Suitable for models: standard OBD-II protocol compliant petrol and diesel vehicles, especially for vehicles without a temperature gauge, tachometer and fuel consumption meter. Please kindly note that AUTOOL X50 Plus can’t support J1850 Protocol. 
Display: 2.4 inch
Resolution: 240*320
Function:Speed, water temperature, instantaneous fuel consumption, hour fuel consumption, brake performance testing, vehicle acceleration test, data flow function display, display color configuration, fault code scanning, fault code clearance and other functions Early warning function:Water temperature warning, over speed warning, shift warning. Features: 1. Shift reminder function . 2. You can choose petrol and diesel vehicles . 3. The average fuel consumption and hourly fuel consumption function . 4. fault code scanning , clearance . 5. The blue OLED display, high brightness. 6 . Set engine displacement , fuel consumption more accurate. 7. The brake performance test function 8.OBD Plug-and-Play, easy to install X50 Plus OBD mini car trip computer is a small car instrument with powerful functions, which is especially suitable for vehicles without a tachometer, an engine temperature gauge and fuel consumption display functions. X50 Plus can also display and monitor vehicle battery voltage, generator charging voltage, offering vehicle over speed alarm, high engine temperature alarm and monitoring and other functions. It even can read vehicle data streams, scan engine fault codes and offer fault code clearing functions.
Specifications:
Operating voltage: 10-18V DC Operating current: <80mA Sleep current: <15mA Operating temperature: -20~80℃ Product volume: 82mm*55mm*55mm
Features of product hardware:
32-bit ARM CORTEX-M3 CPU, with 72MHz maximum operating frequency, in support of multiple high speed automotive communication protocols
X50 Plus host instructions:
1. Ambient light detector
2. OBD data plug
3. Function key
4. Display screen
Where,the function key has three directions Pull leftwards or rightwards to choose the menu,press M in the middle to confirm,long press M in the middle to exit the current menu or to return. AUTOOL X50 Plus Installation and Usage: Insert the product into the check port on the vehicle OBD computer; insert the other end of the product into the data interface of the host. After the product is inserted into the host and the car is started, wait for the communication linkage between X50 and the car. After the linkage is successfully established, the host will send a "drop" sound, at the same the display screen displays vehicle protocols and then indicates that it is the first time the product is used to set up parameters. International universal OBD plug protocol definitions stipulated by SAE.
package list:
1 * host 1 * data lines 1 * instruction 
