小太阳 / Tinny sun

This design can provide the enough illumination to plants indoor due to the light from incandescent lamp. After inserting it into soil, it can bright and shine.When suns powered off.The solar battery board can provide inspiration.The blue sensor can induce and conduct electric currents.It can also induce the inorganic salt of soil.which can realize the lamp switch by using this feature.it can be moved and used easily.The height of these suns are also different which can fit different plants.