Today only, Sears lowers the price of the Omnitech 4.3 in. Touchscreen GPS Navigation System Model 16878-US from $79.99 to $59.99. Even better, drop it to $56.99 in your cart, making it $42 less than we could find and the lowest we've seen recently for this item. This GPS has 4.3-inch touch screen, 1.5 million points of interest, text-to-speech driving instructions, 3D or 2D views and more. Shipping is $6.95 and sales tax is charged in most states.