1.Advantage:Our Linear Actuator with Linear Reciprocating Motor and Stroke Ideal for Intelligent Range Hood, Fan Blades, Cabinets, Window Opener, Robotics, Home Automation 2.Feel Stop: Stop at Any Position,With Automatic Machine Lock, It will Automatically Stop When It Reaches the Top 3.Safe and Worry-Free: Overcurrent Protection, Short Circuit Protection, Overload Protection, Overvoltage Protection. input voltage: 6v No-load speed (mm/s): 15mm/s Thrust (n) :50N Tension (n) :50N Self-locking force (n) :50N Travel (mm) :10mm-200mm Working temperature: 0°C-+40°C the protection grades: IP43 working frequency: S2-10min inside tube Screw type:-shaped lead screw for aluminum tube Colour:black Material:Aluminum Alloy Package Contents: 1 x electric push rod Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.