COMPACT SIZE: The micro linear actuator is very exquisite and compact, makes it an ideal device for projects with tight space requirementsLinear Actuator Micro Linear Actuator Mini Electric Linear Linear Actuator with Brackets Waterproof Linear Actuator END-LIMIT SWITCH: The linear actuator comes with end-limit switches that will turn off power to the motor when the device reaches the end of stroke to protect motor WIDE APPLICATION: Linear actuators a great pushers for devices, aviation, aerospace, simulation, commercial transport, adjust helms, etc PROTECTION: The micro linear actuator is designed with overcurrent, short circuit, overload and overvoltage protection POWER: Our simplest micro linear actuator are powered by 12 volts DC, Apply voltage to the device and it will extend, reverse the polarity and it will retract, Weight: 0.1763698096 pounds, Manufacturer: Dorccsi