V-checker series Trip computer A622, inherited auto fault detection technology of first-generation multi-function trip computer A301 , to subversion GPS portable navigation beyond PND design constraints, and a combination of car fault detection, TPMS tire pressure monitoring, GPS navigation and fixed speed warning these four technology in one, provides the driver with the car condition monitoring, fault alarm, fuel consumption monitoring, abnormal tire pressure alarm, the GPS path navigation and traffic speed limit alert and many other features. Upgraded to 5-inch LCD color touch screen, HD 800×480 resolution, the screen is more delicate and clear, and applicable to high-definition 3D map.
No need to rewire the original car line to avoid dismantling the installation, plug and play, easy to use
Applicable models: all models support the OBD standard.
Language: English, Spanish, Russian.

A622 Product Features
1. Trip Computer + GPS Navigator + TPMS + Oil statistics.
2. Four display mode: Idle, Cruise, Sport, Details. maintenance tips, etc.
3. Multiple security alarm: Trouble code, Water temperature, Fatigue driving, Over-speed, Shift reminding, regular maintenance tips, etc.
4. Multiple fault diagnosis: Read DTC, Clear DTC.
5. Multiple fuel consumption: Static instant fuel consumption (L/H), Dynamic instant fuel consumption (L/100Km) Average consumption from cumulative total, etc.
6. Real time display vehicle information: Vehicle speed, Instant fuel consumption, Intake air pressure, Acceleration, Coolant temperature, Oxygen sense voltage, etc.
7. Language: Simplified Chinese, Traditional Chinese, English, Spanish, Russian, etc.
A622 Host specifications

LCD display 5.0 inch TFT LCD, 800×480 Pixel
Dimensions 135mm×13mm ×86mm
CPU Mstar Semiconductor ARM9-MSB2521
CPU frequency 600MHz
Ram Memory 128MB
Flash Memory 8G
OS Wince.NET6.0
GPS modules high sensitivity receiver antenna
Antenna sensitivity -159dBm
Receiving frequency 1.5754GHZ
Satellite Channel 24
Positioning accuracy 10m
B302 specifications
Voltage 8 - 36V
Electric Current (Normal status) 50mA
Electric Current (Charge status) 500mA
Standby Power 0.6W
T301 product:
T301 Product Features:
Real-time tire pressure monitoring
Real-time tire temperature monitoring
Quick tire abnormal alarm
Without removing the tire, easy to install, plug and play.

Package characteristics
The weight of package 0.07Kg
Box package 95mm*95mm*70mm (the weight of box 0.14Kg)
Carton Package 42.5cm × 33.5cm × 28.5cm
Electrical characteristics
Pressure monitoring accuracy ±10Kpa
Maximum test pressure 3.5bar
Battery life >18 Month
Unlimited transmission frequency 433MHZ
Valid receiver distance >8m
Detection interval < 3 Minutes
Operating Temperature Range -20~120 degree
Sensor Type External
Sensor weight