Item Type: Reciprocating Linear Motor Material: Aluminum Alloy Plug: US 100-240V Motor Voltage: 12V Stroke: Approx. 3-15cm/1.2-5.9in Speed Adjustment: Adjustable Package List 1 x Reciprocating Linear Motor 1 x Adapter 1 x Crocodile Clip Line 1 x Female Line It is recommended to choose the speed and stroke close to your actual use. 1STRONG POWER: Consist of reciprocating motor, power supply and connecting line, the motor has strong power, stable and reliable, easy to use. 2ALUMINUM ALLOY BODY: The body of the linear actuator is made of aluminum alloy material, which is lightweight and highly sturdy. 3CHROME PLATED ROD: The telescopic rod has been chrome plated, has good rigidity, high hardness and strong bending resistance. 4PREMIUM COMPONENTS: Adopt high wear resistance bearing and high strength swing arm, with a wide range of torsion, high tensile strength. 5STROKE AND SPEED ADJUSTABLE: The stroke and speed can be adjusted, and the stroke adjustment range is 3cm to 15cm.