Get on Amazon : br br Celestron NexStar Evolution 8 Schmidt-Cassegrain Telescope w WIFIBlack 12091 br br Control your telescope wirelessly from your iOS or Android smartphone or tablet with the free Celestron mobile app with planetarium interface and SkyAlign technology br Compact portable 8-inch Schmidt-Cassegrain optical tube with StarBright XLT optical coatings and Fastar compatibility br Computerized GoTo mount with high-performance worm gears and motors for improvedtracking accuracy along with reduced gear backlash br Rechargeable lithium-ion battery with enough power for 10 hours of continuous observing br Improved industrial design with manual clutches and integrated carry handles plus the added convenience of two accessory trays and a USB charge port for yoursmart device :