Model: LX-6048 Product function: GPS navigation system, monitor Bluetooth Screen size: 4 inches (16: 9) Resolution degree: 480 (W) x3RGBx272 (H) Power supply: DC12V Output power: 8W Service temperature: 0C~ + 40C GPS signal sensitive: Can receive signal belon-160dBM GPS map memory card: SD CPU: INTEL built in GPS function with WINCE4.2 system,SD map card.  Easy install without modifying or changing forme vehicle structure; Multi functional input query; whole touch screen design; With voice cue on whole journey; Powerful map information; GPS accuracy orientation