【Specification】Voltage:12V DC;Stroke Length:18"(450mm),Retracted length: 23"(590mm), Extended Length:41"(1040mm); No load speed: 0.2 "/sec (5mm/s), Maximum Load:660lbs(3000N);Maximum current draw:5A. 【High quality】The linear actuator is made of high quality aluminum;with high performance motor and built-in limit switch,it can be stopped at any position and automatically stop at the top,with self-locking function. 【Features】Protection class: IP65 ;Noise level below 50dB ;Ambient temperature:-20° C to +60°C;with reliable performance, stable running, the same characteristics of push and pull, and good environment adaptability. 【Wide application】Linear actuator can be widely used in industrial electric lifting system, electric bed, traction bed, electric sofa, electric lifting lever, electric booth,electric sunroof,solar tracker. 【Package included】1PC DC 12V Linear Actuator and 2PCS Mounting Brackets. JQDML linear actuator is made of high quality aluminum material, built-in high quality limit switch,easy to install.