These solar mushrooms will make a great additon to your outdoor space. Requiring Ni-MH AA600mAh 1.2V batteries of which are included, the mushrooms give off a warm white light. The run time is 8 hours and the charge time is 6 hours. The small mushroom measures height 16.5cm diameter 13cm, the medium measures height 21cm diameter 16cm and the large measures height 25cm and diameter 17cm.