Double use, turning by 4 built-in solar panels or AA battery (not included). | Power Supply: Fluorescent lamp, Sun light, Solar Or Battery power | Can load more than 300g under 1 meter. under 0.5 meter, negative weighing more than 500g (May be have a deviation) | The rotation direction can be reversed by stop the rotary table with hand | Widely use for family, office , retail stores, multiple shop, exhibitions and for other advertising purposes Packing or home notion.