The body of this kitchen wall clock is made of solid aluminium casting. The Swiss clock mechanism is powered by batteries (1 x AA battery, not included). The quality of the mechanical timer is just as good as any other aluminium casting egg timer. It is held in place by a magnet, but can also be taken out if required. Height 25.5 cm (10”), width 19 cm (7½”), Ø clock 19 cm (7½”), Ø timer 6 cm (2½” approx.), total weight 1.1 kg.