【Specification】Stroke Length:40" (1000mm), Retracted length: 44" (1150mm), Extended Length:86" (2150mm); No load travel speed:1.34"/sec (34mm/s), Load travel speed: 1"/sec (25mm/s); Maximum load: 88lbs (400N); Maximum current draw: 4amps; 【Features】IP65 rated protection sealed against dust, water and corrosion suitable for outdoors use; Working temperature:-20° C to +60°C; Built-in limit switch, automatically switch off when linear actuator is fully extended to avoid the motor idling; Self-locking function, linear actuator can be stopped at any position in the stroke; 【Quiet & Wide application】Noise level below 50dB, can be widely used in many industries, such as electric lifting system, massage sofas, recliners, TV lifters, lifting tables, electric window openers, DIY pet feeder, solar tracker etc.If you have any problems during the early stages of modeling, our technicians team can provide you suggestions; 【Package Included】1PC DC 12V Linear Actuator and 2PCS Mounting Brackets. Our store has remote controller for choice, which helps to control your actuactor to Forward & Reverse; 【Professional Team】KM-LINEARTECH has been manufacturing linear actuators for many years. We have a professional and experienced technicians team to service you within 24 hours. KM-LINEARTECH 12V 88lbs 1.34in/sec High Speed 40inch Electric Linear Actuator