Casio SY-4000 4" Handheld TV 4-inch color screen with anti-glare active matrix technology (TFT); TV is 5.9 x 3.9 x 1.8 inches (W x H x D) Water-resistant handheld; ready to go wherever you go Powered by either 4 AA batteries or the optional AC adapter Built-in earphone jack lets you personalize your viewing experience Rod antenna