[Specification]Stroke length: 2 inches / 50mm; Travel Speed without Load: 9.5mm/s; Load Capacity= 90N / 20.3lb; Input Voltage: 12VDC. [Durable Material]The linear actuator is made of high-quality aluminum alloy, strong and durable, not easy to rust, and can be used for a long time. [ Design]The mini linear actuator is , small in size and light in weight, with short-circuit protection, overload protection, and over-voltage protection design. It is an Perfect equipment for projects such as robot applications. [Easy to Install]The electric linear actuator is powered by 12VDC. Wire the positive and negative poles correctly and apply voltage, the linear actuator will extend; Reverse the polarity, it will retract. Come with mounting brackets, installation easy. [Widely Application]Mini linear actuators are widely used in agricultural machinery, engineering industry, and home automation, robots, cabinet, industrial electric lifting and other equipment. Material:Aluminum alloy colour:Silver+black Package Contents: 1 * -Linear Actuator 2 * Mounting Brackets Only the above package content, other products are not included. Note: Light 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.