Features Can be used in a variety of simple or complex process Low noise design, noise level is ≤ 42dB Electric putter, also known as push rod motor, electric cylinder and linear actuatoras the implementation of mechanical use, in order to achieve long-range control, centralized control or automatic control Main use: electric medical bed, electric sofa, electric stand lift rod, industrial electric lift system, camera frame, video machine, wedding system The electric putter is an electric drive that converts the motor's rotational motion into a straight reciprocating motion of the push rod Package Included: 1 x Electric Linear Actuator Motor 2 x Bracket 2 x Bolt 2 x Cotter Pin for the Linear Actuators Specifications:Size: as the picture Weight: 1340 g Permanent magnet DC motor drive voltage: 12V DC Maximum pull: 800NMaximum thrust: 500N Standard Stroke: S =250mm Minimum distance (the distance between the front and rear of the two holes) :L = S(stroke)+ 105mm putter between two holes = 2XS(travel)+ 105mm No load speed: 10mm/s  Speed and thrust relationship: 5mm / s (kg) -50s (50kg) environment temperature: -26~50℃ Standard protection level: IP54 Noise level: ≤42dB Package List 1 x Electric Linear Actuator Motor 2 x Bracket 2 x Bolt 2 x Cotter Pin for the Linear Actuators