Technical Details Hidden front 1.5 inch LCD Rear 3.5 inch wide 1152K TSP with Smart Gesture UI Storage medium Micro-SD card (not included) 27 mm wide angle, 4.6x Optical Zoom 720P HD Movie / H.264 Format, HDMI Manufacturer’s Description With the world’s first front and back LCD, Samsung’s ST550 provides the easiest way to take…