The astro fi 130mm newtonian telescope is a fully featured telescope that can be controlled with your smart phone or tablet using the free celestron skyportal app celestrons skyportal app replaces the traditional telescope hand control for a 100 wireless experience just hold your smart device up to the night sky when you find an object youd like to view tap the screen your astro fi telescope automatically slews to the object while the screen displays information about it the astro fi 1