Unleash the power of your smartphone to take you on a guided tour of the night sky - no telescope experience required. StarSense sky recognition technology uses your smartphone to analyse star patterns overhead and calculate its position in real time. Features 114mm (4.5?) Newtonian reflector with highly reflective coatings. Includes 25mm and 10mm eyepieces, 2 Barlow lens, StarSense smartphone dock, a red dot finderscope and a full-height tripod.