The SkyWatcher Explorer-130PS AZ-GTi Parabolic Newtonian Telescope is highly portable, and has been designed to be controlled wirelessly with your Smartphone or Tablet, using the free SynScan App for iOS or Android. The AZ-GTi mounting with its built-in WiFi module creates its very own Wi-Fi network, so the mount can be used anywhere, without any reliance on other WiFi or mobile networks. After entering your coordinates into the App and following a simple alignment procedure you are ready to explore the universe using the Apps intuitive touchscreen menu.The AZ-GTi and SynScan App provides full computerised GO-TO control, allowing the telescope to be automatically slewed to any one of the objects in the Apps extensive database of 10,000 plus celestial objects. Incorporates Sky-Watcher\'s Freedom-Find patented Dual-Encoder Technology, which allows the telescope to be moved manually in either axis without the mount losing its positional information. This gives the user enormous freedom, convenience and flexibility during observational sessions.With an extremely useful 130mm of light gathering aperture and a superb parabolic primary mirror, the Explorer-130PS is a highly capable all-rounder for the observation of the Moon, bright planets, nebulae, galaxies and star clusters.Specifications:Magnifications (with optics supplied): x26 & x65Highest Practical Power (Potential): x260Diameter of Primary Mirror: 130mmTelescope Focal Length: 650mm (f/5)Eyepieces Supplied (1.25\"): 10mm & 25mmRed Dot FinderAZ-GTi WiFi Go-To Alt-Azimuth MountController: Free SynScan App for iOS and Android mobile device or Synscan Hand Controller (available separately)Tracking Mode: Dual Axis TrackingMotor: DC Servo Motor, Gear Ratio 648045mm Sky-Watcher/Vixen type dovetail saddleInterface: SynScan Hand Control Port, DSLR Shutter Release Port (optional cables available separately), Built-in Wi-Fi ModuleConnectivity: ASCOM platform for Windows PC, Mobile planetarium App for iOS and Android ( SkySafari Plus/Pro, more are coming).Network Protocol: UDP, Port 11880Adjustable Aluminium Tripod with Accessory TrayHeight of Tripod/Mount (excl. OTA): 80.5cm - 152cmTotal Weight with Tripod: 6.65kgPower Requirement: 8 AA Size Batteries (not supplied) or External Power Supply (DC 7.5~14V, 0.75A) Tip Positive.Sky-Watcher 7Ah or 17Ah Power Tank Recommended