Abstract: The invention provides an electrically powered, fully automated, timed system for opening and closing the window blinds of an unoccupied house at pre-set or random hours, wherein the components are housed in a box mounted to the blind itself. The device can also be controlled by a remote control device.

Abstract: The blind arrangement can be controlled by means of a preprogrammed control device and is powered by a power supply such as for instance a battery. According to the invention, the blind arrangement comprises a timing device, an operating member for opening and closing the blinds and a motor for driving the operating member wherein the operating member is activated at predetermined times to open and close the blinds and a power supply for driving the motor.