[Specification]Stroke length: 2 inches / 50mm; Travel Speed with out Load: 9/s; Load Capacity= 90N / 20; Input Voltage: 12VDC. [Durable Material]The linear actuator is made from fantastic aluminum alloy, solid and durable, hard to rust, and can be used for a protracted time. [Compact Design]The mini linear actuator is compact, small in length and light-weight in weight, with short-circuit protection, overload protection, and over-voltage protection design. It is an Perfect package for projects similar to robotic applications. [Easy to Install]The electrical linear actuator is powered by way of 12VDC. Wire the excellent and destructive poles correctly and note voltage, the linear actuator will extend; Reverse the polarity, it is going to retract. Come with mounting brackets, establish very easy. [Widely Application]Mini linear actuators are also used in agricultural machinery, engineering industry, manufacturing unit and residential automation, robots, cabinet, business electric lifting strategies and different equipment. Material:Aluminum alloy colour:Silver+black Package Contents: 1 * Micro-Linear Actuator 2 * Mounting Brackets Only the above kit content, other merchandise aren't included. Note: Light shooting and varied exhibits can cause the colour of the thing within the photo slightly assorted from the real thing. The length allowed error is +/- 1-3cm.