Specification:Item Type: Motor Electric PutterMotor Power: 30WStandard Stroke: Approx. 400mm / 15.7inStandard Installation Size: L=S(stroke) + approx. 105mm / 4.1inLoad Capacity: 300N (30kg load)No-Load Speed: 10mm/sWork Efficiency: 10%Ambient Temperature: -5℃ ~ +50℃Protection Level: IP45The built-in limit switch is not adjustable after leaving the factoryLow noise design, DB<53There is a nylon gear structure insideUses: Boats, automobiles, industrial machinery, automobiles, windowSize: Approx. 6.2mm / 0.2in75mm / 3in36mm / 1.4in18mm / 0.7in45mm / 1.8in32mm / 1.3inL(min) = S + approx. 175mm / 6.9inDiameter: Approx. 10.1mm / 0.4in36mm / 1.4in24mm / 0.9in How to use:The putter cannot be overloaded. Overloading will affect the service life of the motor. The thrust should be selected higher than its own thrustDC putter motor uses positive and negative pole conversion, "+" extend, "-" retractThe putter moves in a straight lineThe upper and lower holes of the putter are for installationPackage List:1 x Motor Electric Putter 1 x User ManualNote:The inner nylon gear should not be overloaded.