Features: 1Wide range of uses and is perfectly suitable for electric sofas massage chairs electric recliners and other lift chairs. 2With a straight 5 pin socket +01 male connector the installation method is simple suitable for home use. 3Using high quality ABS+aluminum material durable wear resistant corrosion resistant long service life. 4Linear actuator 333MM stroke 1000N load built in limit switch easy to control stable and reliable performance. 5Practical to use support H type or V type installation direction IPX4 protection level and the working noise 55dB(A). Specification: Item Type: Linear ActuatorMaterial: ABS+AluminumWeight: Approx. 2678g / 94.5ozVoltage: 29VThe Shortest Installation Distance: 135mm / 5.3inStroke: 333MMLoad: 1000NProduct Size: Approx. 53x17x9cm / 20.9x6.7x3.5inInstallation Direction: H Type or V TypeLimit Switch: Built inFrequency of Use: 10% up to 2 minutes of continuous workGuide Tube: Aluminum TubeInstallation Connector: PlasticProtection Level: IPX4Noise: 55dB(A)Test Distance: 300mm / 11.8inUse Environment Temperature: 0 - +40 Package List: 1 x Linear Actuator1 x Manual8 x Screw Note: 1. Please allow 01 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.3.The product fits the sofa iron frame model 4318 5311 please check the type number of their own sofa iron frame or the name tag on the old push rod if the old push rod name tag 135‑333 you can buy the product.