Optec ThirdLynx DirectSync SWX30 Optec's DirectSync SWX30 motor was developed specifically for the SkyWatcher 3-inch focusers and features our ThirdLynx control circuit. Similar to our original DirectSync SW30 motors with the same Best-In-Class clutch mechanism, the new DirectSync SWX30 includes an all-new integrated control circuit built into the focus motor end cap.No external controller is required. USB connectivity and fully compatible with all existing FocusLynx software. Skywatcher Esprit 100 focuser, Skywatcher Esprit 120 focuser, Skywatcher Esprit 150 focuser. Technical Specifications Motor Housing Width: 1.9" (48mm) Overall Length: 3.55" (90mm) Weight: 6.0 oz (165 g) Step Resolution: 1.1 micron per step Stepper Motor: Bi-polar NPM 15-ohm with 1:25 gearhead Controller: Integrated ThirdLynx Connectivity: USB 2.0 A-B cable (included) Temperature Sensor: Analog Devices ADT7302 embedded Input Power: 12-volts DC, 2.5 x 5.5mm plug Current Draw: Maximum draw approx. 350mA In the Box ThirdLynx Motor3’ USB Cable15’ USB CableAllen WrenchPower Supply with cord Manual & Warranty Optec 1-Year Warranty