Use GPS to monitor your actual speed and give you sound/voice/flashlight alarms when you exceed a speed that you asked it to watch. Unique Features: * Speed can be displayed as digital or analog. * Enable HUD (Head-up Display) mode, you can project speed information on your car front windshield * Directly turn ON/OFF alarms on the main screen, or only turn ON flashlight alarm when you have baby or other passengers sleeping in the car during driving * Supports speed by km/h and mph, can displ