1)Simple and reliable home automation system S1 set includes a built-in electric gear motors and wiring control panels and protection devices, accelerated the installation of speed , reduced costs ,making installation more convenient , you can drive weighs up to 700KG 2)Safe and reliable Independent electronic control plastic protective case to ensure that the circuit boards from insects , dust ,rain, etc .,and ensure lasting ,safe anti-collision protection is provided by the built-in current sensor to protect the motor from damage in case of an accident . 3)Low noise S1 structure high precision, after repeated experiments continue to improve, continue to explore parts processing technology ,the overall noise can achieve a very satisfactory result , S1 designed and manufactured in accordance with European standards ,reliable quality assurance . 4) Inrreversible Motor irreversible ,so no need to install power locks , power outage , the key can be used to protect a special rotating release device , manually operated control gates ,steel and plastic rack gear rack or galvanized ,to ensure that in a variety of adverse conditions normal operation, the external material oxidation corrosion ,suitable for any outdoor climate ., Manufacturer: SEVEQIS