Sonar® is available in various versions: on a 10 x 10 cm base. You can choose from a base made from lacquered aluminium (grey or mat grey) or teak. The aluminium cube is provided with two open sides. This unit is designed for a TC-T 18W lamp; a TC-T 26W lamp is also possible with the Sonar® on a 15 x 15 cm base. A glass lamp housing protects the lamp against dust and water. A third version is Sonar® 101, which consists of the Sonar® superstructure on a base 4 cm high. This model is equipped with the QT14 fitting for the 220V halogen (Halopin) lamp. This lighting can be mounted on the wall or floor.