Celestron Sky Scout Handheld GPS + Sky Chart

* Celestron SkyScout Personal Planetarium identifies celestial objects instantly with the click of a button. * Locates over 6,000 stars, planets and constellations from built-in celestial database and provides scientific information for each object. * Provides comprehensive text and audio descriptions providing history, mythology and other entertaining information for the most popular objects. * Tonight's Highlights: A customized list of the 20 best objects to view for your exact date, time and location anywhere in the world. * Constellation Lessons: if the star you identify or locate is part of a constellation like the Big Dipper, you can actually take a guided tour through all the stars in that constellation and even see an onscreen map of the constellation. * Built-in Field Guide Includes: o Introduction to astronomy: a six part audio lesson on the origin and history of astronomy. o Glossary of Terms: text defining popular astronomy terms including planets, comets, galaxies and more. o Great Astronomers: text bios on some of the world's greatest astronomers including Galileo, Einstein and Copernicus. o Man Made Space Objects: text description of some of the coolest objects man has sent into space including the International Space Station, the Hubble Space Telescope and the Space Shuttle. o Comet Guide: text descriptions about history's most famous comets including Halley's Comet and Comet Hale-Bop. * SD card slot: for separately purchased "Sky Tour'' audio presentations that provide hours of entertainment on a variety of topics. * USB port: allows database to be updated with new objects as they are discovered, comets, etc. * Simple enough for all ages: just turn it on and it's ready to use. * SD card slot. * USB for connection to PC. * 3.5mm stereo jack for headphones. * Dimensions: H-2.5 D-4.0 W-7.4 inches. * Weight: 15.2 ounces (without batteries). * Requires 2 x 1.5V AA batteries (purchased separately). --PLUS-- Star Chart Book