Sky-Watcher motor focuser for precise focusing with a minimum of vibration. You can select 2 speeds (fast & slow) and move the focuser in both directions. The motor focuser can be used with the EvoStar telescopes 90/102/120/150, Startravel telescopes 80/102/120/150, Skyliner telescopes 150/200/250/300 and Explorer telescopes 150/200/250 and 300. Scope of delivery: Motor with mounting material manual control box with cable! Power supply and batteries are not included!