... strength: 80 degree, 120 degreesMotor Power: 0.25kw-0.6kwPower Supply: AC380V, 50HzControl Power supply: DC12-24VOn and off speed ... the loading for the buildings. Meanwhile, it is flexible on and off, little noise and fine decorative screen appearance. ... various types of industrial and civil buildings, public buildings, such as, high buildings, hotels,, cabarets, banks, warehousse, harbor, bus ...