2.5-inch high quality LCD monitor , clear virsion, Beep sound tips, Road show clock , ... features:*4 rear sensor system with camera and LCD monitor*high quality LCD monitor, clear vision*low light camera with wide ... time*accurate digital distance and clear rearview shown on the LCD monitor*pal /ntsc modes available*volume adjustable*detachable sensor ... system 3806 with 2.5-inch high quality LCD monitor