A system and method for active array temperature sensing and cooling. The personal incentives provide consumers lower prices through coupons, rebates, or other discounts for various items sold or distributed by the businesses. A peak point is provided on the pivoting portion and disposed between a first position and a second position, and the dust-proof member will automatically return to the closed position when the shaft rotates between the first position and the peak point and automatically reach to the open position when the shaft rotates between the peak point and the second position. The local device, voice applications rendering agent and management system may be interconnected via a communications network. A bus dividing circuit outputs the gray-scale value on a gray-scale value bus to either or both of the left and right gray-scale value signal buses based on a bus dividing signal. The body may be a light sconce or valance, niche, shelving unit, bas-relief, or other feature.