IP Protection IP54, it can work properly when it is ground mounted at an indoor area where daily cleaning service is required. Linkable IP rated male & female quick connectors are uesd on this fitting for easy quick connection when a number of luminaries need to be linked together. Max.linkable length is 5 meters. Product Family Two standard lengths 0.5m & 1m; opal diffuser & anti-glare louver are optional. Length can be customized according to the actual needs of projects. Wall Grazing When the distance between the axis of the fitting and the wall is 0.1-0.3m, the grazing height on the wall can be 2-4m.The light highlights the contour, texture of the wall, and enhance the shadow to show a three-dimensional effect. Application It's very popular to be uesd at pubic areas of hotels, such as passages, banquet halls, and corridors. Ground or ceiling mounted for wall washing and wall grazing lighting.