Feature: 1. The protection grade is IP45, the product is small and compact, easy to carry and store. 2. Convenient to use and with good performance, can replace hydraulic and pneumatic rod products. 3. This product is a power drive device, and the installation is not restricted by terrain and distance. 4. Can be controlled by computer, easy to realize automation, and save energy consumption. 5. Components adopt a closed box design, which effectively reduces noise and prolongs the life of the motor. Specification: Item Type: Electric Putter Motor Power: 30W Standard Stroke: Approx. 450mm / 17.7in Standard Installation Size: L=S (stroke) + approx. 105mm / 4.1in Load Capacity: 300N (30kg load) No-Load Speed: 10mm/s Work Efficiency: 10% Ambient Temperature: -5℃~+50℃ Protection Level: IP45 Built-in limit switch, not adjustable after leaving the factory Low Noise Design: DB＜53 There is a nylon gear structure inside. Uses: Ships, automobiles, industrial machinery, automobiles, window. How to Use: 1. The push rod cannot be overloaded. overloading will affect the service life of the motor. The thrust should be selected higher than its own thrust; 2. The DC push rod motor uses positive and negative pole conversion + extend-retract; 3. The push rod moves in a straight line; 4. The upper and lower holes of the push rod are for installation.Size: Approx. 10.1mm / 0.4in175mm / 6.9in 75mm / 3in36mm / 1.4in6.2mm / 0.2in 18mm / 0.7in 45mm / 1.8in24mm / 0.9in 32mm / 1.3in . Package List: 1 x Electric Putter 1 x User Manual Note: The inner nylon gear must not be overloaded.