Surface-mounted toplight fittings in styles OL 200 S as well as OL 320 S can be combined with Schüco AvanTec SimplySmart. The easy operation using the manual handle or jointed crank handle can also be used in tight spaces. Concealed Schüco AvanTec SimplySmart tilt mechanisms or surface-mounted turning hinges ensure safe functioning. The toplight fitting offers design variants with opening widths 200 mm and 290 mm as well as leaf weights of 80 kg to 200 kg depending on hinge choice.