Sky-Watcher Star Discovery P150i Wi-Fi telescope The Star Discovery P150i Wi-Fi comes in two boxes and is straightforward to assemble, allowing you to be up and running in 10 to 15 minutes. Advertisement The tube assembly is in one box while the tripod, single-arm mount, spreader tray and a box with the eyepieces, finder and bubble level is in the second. It’s best to assemble the mount onto the tripod first and then to attach the telescope, before completing it with the red dot finder. The mount is powered either by eight AA batteries installed in the side of the mount, or via a 12V power tank plugged into the power port.