9-inch truck large screen: 9-inch capacitive touch high-definition screen, clearer and more sensitive, direct finger touch, no need for a stylus. 8 GB ROM 256 MB RAM provides ample space for fast startup and operation, which also ensures high-speed and smooth operation, saying goodbye to stuttering and buffering. GPS unit with functional multimedia player. Multiple formats are supported, so car GPS will make driving fun and easy. Practical GPS navigation for cars/trucks: Professional truck customization, customizing better routes for you, avoiding road width/height/weight and other restrictions. It also provides intelligent current speed camera alerts, audio warnings and route planning with estimated time of arrival. Provide 2D/3D map viewing mode. Supports postal code, address and POI searches (see user manual for details on using postal code search). True Voice Truck GPS: Choose from a range of voices to give you voice navigation. Live voice broadcast, no need to watch on the GPS screen all the time. It makes your driving safer, reduces driver fatigue and avoids fines. Additional safety alert types: average speed cameras, red light cameras, railroad crossings, high accident areas, city entry points, danger areas, etc. Support car/truck/taxi/truck/bus/ambulance etc. The 9 Inch GPS Navigation is a really good looking product with a lot of features. This is a must have for any truck driver who needs a great GPS system. Multifunctional satellite navigation operating system: WinCE 6.0 Memory: 8GB, support TF card expansion (up to 32GB) Cache: 256MB Battery: 1000mAh Power supply: DC 5V Functions: GPS navigation, FM transmission, multimedia, e-book Baud rate: 4800; port : COM 1 Sensitivity: -159dBm Accuracy: Position