Addition compound suitable as wetting and dispersing agent, obtainable from the reaction ofA) polyepoxides withB) at least one primary polyoxyalkyleneamineC) at least one other aliphatic andor araliphatic primary amine andD) at least one modified isocyanate. The lighting system selectively illuminates outdoor spaces and identifies and evaluates events in a scene monitored by a video camera, thereby to facilitate proactive and appropriate security responses to those events. The metal shell has a top wall opposed to the bottom wall, and a pair of side walls. The upper edge is made up of a pair of right and left edges that incline inward and upward from the right and left sides, and a curved edge interposed between the inclined edges that curves along the anterior cusp-side region. The adhesive used here is a modified rubber adhesive that is a mixture of epoxy resin and modified silicone and has a modulus of elasticity of not greater than 10 MPa and a durometer A hardness of not greater than 90 after cure.