Our Northstar Telescopes Offer Amateur Astronomers State-of-the-art Computer-driven Location And Tracking Capability With Simple, Push-button Control. With A Built-in Data Base Of 20,000 Celestial Objects, You Simply Call Up Your Target On The Hand-held Control Module, Enter A Simple go To Command And The Northstar Computer Does The Rest. Once Locked On, Tracking The Object For Prolonged Viewing Is Automatic. Our Innovative Rvo (real Voice Output) Feature Provides A Fun, Interactive Way To Explore The Night Sky. The Remote, Hand-held Control Module Features Red, Backlit Push Buttons And A Red, Illuminated LCD Read-out For Easy Viewing Without Impairing Your Night Vision. The Telescopes Also Feature Our New 1x Wide-angle, Red Dot Finderscope. Additional Features Include A Quick-release Tripod And Accessory Tray For Fast, Easy Assembly.