Samsung Galaxy Beam mobile was launched in February 2012. The phone comes with a 4.00-inch touchscreen display offering a resolution of 480x800 pixels at a pixel density of 233 pixels per inch (ppi).
You can purchase both types at the store, but you don't need to pony up any cash for distilled water when you ca make it at home – especially if one of it uses happens to be DIY homemade ...