Thank you for viewing. This is a radiometer from Lichtentheldt, Germany. It has been opened for photography. - Manufacturer: LICHTENHELDT (Lichtentheldt), Germany - Materials: Glass, Mica - Color: Violet - Size: Approximately 23cm in height, sphere part approximately φ9.5cm - Usage Notes: ・As this is a glass product, please handle it with care as it may break due to impact. Also, please keep it out of the reach of children. ・The radiometer rotates when it receives infrared light, so it will not rotate with light that does not contain infrared rays. If you want to enjoy the rotation, place it in a place where sunlight shines, such as near a window. - Condition: It has been stored in a cool, dark place without being opened. The outer box has scratches, stains, and slight dents. - Suggested Retail Price: ¥17,600 (tax included) I looked it up and the price has increased since it was purchased. ※Please check the profile before purchasing, and if you have any questions, please comment. ※Please refrain from price reduction requests as shipping costs will apply. #LICHTENHELDT #Lichtentheldt #Radiometer #Interior #Ornament #GlassCraft #ScienceGoods